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Letteratura scientifica selezionata sul tema "Reproduction"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 14 settembre 2024

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Articoli di riviste sul tema "Reproduction"

1

Sheller, Mimi. "The reproduction of reproduction: theorizing reproductive (im)mobilities". Mobilities 15, n. 2 (25 febbraio 2020): 188–95. http://dx.doi.org/10.1080/17450101.2020.1730608.

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2

Malkandueva, A. Kh, e M. V. Kashukoev. "INFLUENCE OF REPRODUCTION ON THE YIELD AND QUALITY OF WINTER WHEAT". Scientific Life 16, n. 7 (2021): 811–19. http://dx.doi.org/10.35679/1991-9476-2021-16-7-811-819.

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Abstract (sommario):

The article presents the results of a study on the effect of seed reproduction on the yield and quality of winter wheat grain in the steppe zone of the Kabardino-Balkarian Republic. The studies were carried out in 2015-2018 on the winter common wheat variety Yuzhanka, jointly bred by the Institute of Agriculture of the KBSC RAS and the N.N. P. P. Lukyanenko in the conditions of the steppe zone of Kabardino-Balkaria. In the experiments, changes in the yield structure and grain quality were studied depending on reproduction on the crops of the breeding nursery, superelite, elite, reproductive seeds (1-4) and mass reproduction. According to the studies, the yield structure of the winter soft wheat variety Yuzhanka changed from breeding nursery to mass reproduction. Yield variation on average over the years of research on reproductions was 42.2-48.6 c/ha, with a predominance in the breeding nursery. Such indicators as the number of productive stems from 407 to 342 pcs/m2, grain weight per ear from 1.23 to 1.11 g and weight of 1000 seeds from 41.3 to 38.3 g and other indicators also decreased. The productivity and quality indicators of winter wheat tend to decrease as seeds of different reproductions are used for sowing, that is, from seeds of the breeding nursery to mass reproduction. It should be noted that in adjacent reproductions, the indicators do not differ much. The results of the research showed that as reproduction decreases, the number of grains, the weight of grain from 1 ear and the weight of 1000 seeds. The content of protein and gluten also decreased by 0.6 and 1.0%, respectively, when comparing elite seeds with mass reproduction. The vitreousness of the grain, when using seeds of mass reproductions, decreased by 2.5% compared to the elite.

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3

Belk, Mark C., Peter J. Meyers e J. Curtis Creighton. "Bigger Is Better, Sometimes: The Interaction between Body Size and Carcass Size Determines Fitness, Reproductive Strategies, and Senescence in Two Species of Burying Beetles". Diversity 13, n. 12 (11 dicembre 2021): 662. http://dx.doi.org/10.3390/d13120662.

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The cost of reproduction hypothesis suggests that allocation to current reproduction constrains future reproduction. How organisms accrue reproductive costs and allocate energy across their lifetime may differ among species adapted to different resource types. We test this by comparing lifetime reproductive output, patterns of reproductive allocation, and senescence between two species of burying beetles, Nicrophorus marginatus and N. guttula, that differ in body size, across a range of carcass sizes. These two species of burying beetles maximized lifetime reproductive output on somewhat different–sized resources. The larger N. marginatus did better on large and medium carcasses while the smaller N. guttula did best on small and medium carcasses. For both species, reproduction is costly and reproduction on larger carcasses reduced lifespan more than reproduction on smaller carcasses. Carcass size also affected lifetime reproductive strategies. Each species’ parental investment patterns were consistent with terminal investment on carcasses on which they performed best (optimal carcass sizes). However, they exhibited reproductive restraint on carcass sizes on which they did not perform as well. Reproductive senescence occurred largely in response to carcass size. For both species, reproduction on larger carcasses resulted in more rapid senescence. These data suggest that whether organisms exhibit terminal investment or reproductive restraint may depend on type and amount of resources for reproduction.

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4

Persson, Jens. "Female wolverine (Gulo gulo) reproduction: reproductive costs and winter food availability". Canadian Journal of Zoology 83, n. 11 (1 novembre 2005): 1453–59. http://dx.doi.org/10.1139/z05-143.

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An individual has only a given amount of resources, and therefore an increase in one demographic trait results in a trade-off that necessitates a decrease in a different demographic trait. In general, the main factor determining an individual mammal's reproductive investment is food supply. This study addresses how female wolverine (Gulo gulo (L., 1758)) reproduction is limited. I tested two complementary hypotheses: (1) current reproduction is affected by the costs of reproduction in the preceding year and (2) current reproduction is affected by food availability in the current winter. I addressed the first hypothesis by comparing reproductive rates of females in relation to their reproductive effort in the preceding year. I experimentally tested the second hypothesis by comparing reproductive rates of food-supplemented females versus non-supplemented females. Reproduction incurred costs on female wolverines that affected future reproduction, and reproductive costs appeared to be related to the duration of parental care. Reproduction was higher for food-supplemented females than for non-supplemented females, even though all food-supplemented females had reproduced the preceding year. This study suggests that reproduction is limited by winter food availability and that additional food can compensate for reproductive costs. Thus, I suggest that female wolverine reproduction is determined by their condition in winter, which is a result of the combined effect of reproductive costs and winter food availability.

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5

Lanca, Margaret, e David J. Bryant. "Effect of Orientation in Haptic Reproduction of Line Length". Perceptual and Motor Skills 80, n. 3_suppl (giugno 1995): 1291–98. http://dx.doi.org/10.2466/pms.1995.80.3c.1291.

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We investigated the accuracy of haptic reproduction of line length and whether accuracy is influenced by line orientation. 13 blindfolded subjects felt along different line lengths at various orientations in the horizontal plane, then reproduced the line lengths in the same orientation as that felt. Efforts were made to equate learning and reproductive scanning movements. Reproductions of line lengths were a nonveridical power function of their true lengths, but the power function exponents did not differ across spatial orientations. It was concluded that people can encode line lengths across spatial orientations by a common power function if care is taken to equate proprioceptive information across learning and reproduction.

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6

Vekhnik, Victoria Alexandrovna. "Reproductive activity of male edible dormice (Glis glis L., 1766) in the peripheral population". Samara Journal of Science 5, n. 2 (1 giugno 2016): 15–19. http://dx.doi.org/10.17816/snv20162103.

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The edible dormouse is a dendrobiont hibernating rodent breeding once a year. A peculiarity of the species biology is regular reproduction failure in non-mast years. In the center of the area it occurs due to the lack of male reproductive activity. In the studied population on the eastern periphery of the dormouse area previous studies proved the decisive role of mass resorption of embryos at females in the process. The dynamics of males reproductive activity and its impact on the reproduction were not considered previously in detail. In this work the periodicity and intensity of reproductive activity of males, depending on the age and phase of population cycle, was studied. Reproductive activity of the overwhelming majority of males was annually observed, the proportion of individuals not involved in reproduction did not exceed 6,7%. The age differences in the timing of beginning of the reproduction were revealed: yearlings came the first in the activity state and after them two-year and three-year and older individuals became active. The minimal duration of the mating period was observed in yearling males, the maximal - in two-year, which were also characterized by the longest individual periods of reproductive activity. As a result of sharp fluctuations in the population age structure two-year males are the most important group in reproduction, but the three-year and older individuals in mast years are also able to ensure the reproduction of the population. The characteristic feature of reproduction was noted at yearling males: they began reproduction depending on body weight. Fluctuations in the male reproductive activity during the active period do not play a significant role in the regulation of reproduction. Shorter duration of reproductive activity of yearling animals in the years of reproduction failure is compensated by the later beginning of reproduction of three-year and older individuals. Nonsynchronous participation in breeding of males of different age groups provides the involvement in reproduction of maximal number of animals.

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7

Clark, Nathaniel L., Jan E. Aagaard e Willie J. Swanson. "Evolution of reproductive proteins from animals and plants". Reproduction 131, n. 1 (gennaio 2006): 11–22. http://dx.doi.org/10.1530/rep.1.00357.

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Sexual reproduction is a fundamental biological process common among eukaryotes. Because of the significance of reproductive proteins to fitness, the diversity and rapid divergence of proteins acting at many stages of reproduction is surprising and suggests a role of adaptive diversification in reproductive protein evolution. Here we review the evolution of reproductive proteins acting at different stages of reproduction among animals and plants, emphasizing common patterns. Although we are just beginning to understand these patterns, by making comparisons among stages of reproduction for diverse organisms we can begin to understand the selective forces driving reproductive protein diversity and the functional consequences of reproductive protein evolution.

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8

Méndez, M., e J. R. Obeso. "Size-dependent reproductive and vegetative allocation in Arum italicum (Araceae)". Canadian Journal of Botany 71, n. 2 (1 febbraio 1993): 309–14. http://dx.doi.org/10.1139/b93-032.

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The proportional allocation of plant total resources for growth, reproduction, vegetative propagation, and the balance between them were examined in Arum italicum. A minimum threshold dry mass (2.5 g) was found in this species before reproduction could occur, but above 10 g of dry mass, all individuals in a sample of 151 produced at least one inflorescence. Resource allocation for vegetative growth, sexual reproduction, and vegetative propagation significantly increased as dry mass of the plant increased. Increases in plant size resulted in increased proportional allocation to sexual reproduction, and relative decreases in both vegetative growth and vegetative propagation. Mass ratios between sexual reproductive structures and new tuber, and between sexual reproductive structures and organs of clonal growth increased with plant size. Allocation of resources to reproduction occurred at the expense of vegetative growth. In reproductive plants, the cost of reproduction, measured as relative reduction in vegetative growth was approximately 24% and was estimated by comparing growth in nonreproductive plants. Key words: Arum italicum, Araceae, cost of reproduction, reproductive allocation, vegetative growth, vegetative propagation.

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9

Smietana, Marcin, Charis Thompson e France Winddance Twine. "Making and breaking families – reading queer reproductions, stratified reproduction and reproductive justice together". Reproductive Biomedicine & Society Online 7 (novembre 2018): 112–30. http://dx.doi.org/10.1016/j.rbms.2018.11.001.

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Hess, B. W., S. L. Lake, E. J. Scholljegerdes, T. R. Weston, V. Nayigihugu, J. D. C. Molle e G. E. Moss. "Nutritional controls of beef cow reproduction". Journal of Animal Science 83, suppl_13 (1 giugno 2005): E90—E106. http://dx.doi.org/10.2527/2005.8313_supple90x.

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Abstract The livestock industry and animal scientists have long recognized the importance of proper nutrition for cattle to achieve reproductive success. Timely resumption of estrus following parturition is a major milestone that a cow must reach for optimal reproduction. Dynamic interplay among all strata of the hypothalamo-hypophyseal-ovarian axis occurs during the cow's transition from postpartum anestrus to reproductive competence. The reproductive axis integrates a milieu of nutritionally related signals that directly or indirectly affect reproduction. Directing nutritional inputs toward anabolic processes is critical to stimulating key events that promote reproductive success. Although prepartum and postpartum energy balance are the most important factors affecting duration of the postpartum interval to first estrus in beef cows, other nutritional inputs likely impinge on the hypothalamo-hypophyseal-ovarian axis to influence reproduction. For example, feeding fat to beef cows for approximately 60 d before calving may improve pregnancy rates in the upcoming breeding season. Supplementing postpartum diets with lipids high in linoleic acid can impede reproductive performance of beef cows. Precise mechanisms through which nutritional inputs mediate reproduction have not yet been fully elucidated. Scientists investigating nutritional mediators of reproduction, or how nutritional inputs affect reproduction, must be cognizant of the interactions among nutrients and nutritional cues responsible for mediating reproduction.

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Tesi sul tema "Reproduction"

1

Tang, Shiu-wai. "Reproduction has never been natural the social construction of reproduction in the age of new reproductive technologies /". Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22331888.

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2

Clayton, Thompson J. "Law, rights and reproduction : reproductive autonomy in ethical rationalism". Thesis, University of Westminster, 2016. https://westminsterresearch.westminster.ac.uk/item/9y598/law-rights-and-reproduction-reproductive-autonomy-in-ethical-rationalism.

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As medical technology has advanced, so too have our attitudes towards the level of control we can expect to hold over our procreative capacities. This creates a multi-dimensional problem for the law in terms of access to services which prevent conception, access to services which terminate a pregnancy and recompensing those whose choices to avoid procreating are frustrated. These developments go to the heart of our perception of autonomy. In order to evaluate these three issues in relation to reproductive autonomy, I set out to investigate how the Gewirthian theory of ethical rationalism can be used to understanding the intersection between law, rights, and autonomy. As such, I assert that it is because of agents’ ability to engage in practical reason that the concept of legal enterprise should be grounded in rationality. Therefore, any attempt to understand notions of autonomy must be based on the categorical imperative derived from the Principle of Generic Consistency (PGC). As a result, I claim that (a) a theory of legal rights must be framed around the indirect application of the PGC and (b) a model of autonomy must account for the limitations drawn by the rational exercise of reason. This requires support for institutional policies which genuinely uphold the rights of agents. In so doing, a greater level of respect for and protection of reproductive autonomy is possible. This exhibits the full conceptual metamorphosis of the PGC from a rational moral principle, through an ethical collective principle, a constitutional principle of legal reason, a basis for rights discourse, and to a model of autonomy. Consequently, the law must be reformed to reflect the rights of agents in these situations and develop an approach which demonstrates a meaningful respect of autonomy. I suggest that this requires rights of access to services, rights to reparation and duties on the State to empower productive agency.

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3

Singh, Navsharan. "Contesting reproduction, gender, the state and reproductive technologies in India". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0003/NQ37055.pdf.

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4

Weis, Christina Corinna. "Reproductive migrations : surrogacy workers and stratified reproduction in St Petersburg". Thesis, De Montfort University, 2017. http://hdl.handle.net/2086/15036.

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Surrogacy is an arrangement whereby a woman conceives in order to give birth to child or children for another individual or couple to raise. This thesis explores how commercial gestational surrogacy is culturally framed and socially organised in Russia and investigates the roles of the key actors. In particular it explores the experiences of surrogacy workers, including those who migrate or commute long distances within and to Russia for surrogacy work and the significance of their origin, citizenship, ethnicity and religion in shaping their experience. Ethnographic fieldwork was carried out in St Petersburg between August 2014 and May 2015 and involved semi-structured interviews, (participant) observations, informal conversations and ethnographic fieldnotes with 33 surrogacy workers, 7 client parents, 15 agency staff and 11 medical staff in medical and surrogacy agency facilities. Data were analysed using inductive ethnographic principles. A reflexive account, which includes a consideration of the utility of making one’s own emotional responses a research tool, is also included. Drawing on and expanding on Colen’s (1995) conceptual framework of stratified reproduction and Crenshaw’s (1989) analytical framework of intersectionality, this research shows that surrogacy in Russia is culturally framed and therefore socially organised as an economic exchange, which gives rise to and reinforces different forms of intersecting reproductive stratifications. These stratifications include biological, social, geographic, geo-political and ethnic dimensions. Of particular novelty is the extension of Colen’s framework to address geographic and geo political stratifications. This was based on the finding that some women (temporarily) migrate or commute (over long distances) to work as gestational carriers. The thesis also demonstrates how an economic framing of surrogacy induced surrogacy workers to understand surrogacy gestation as work, which influenced their relationships with client parents. Given the rapid global increase in the use of surrogacy and its increasingly internationalised nature, this research into the social organisation of commercial gestational surrogacy in Russia is timely and has implications for users, medical practitioners and regulators, as well as researchers concerned with (cross-border) surrogacy and reproductive justice.

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Mills, Lesley Judith. "Effects of endocrine-disrupting chemicals on fish reproduction and reproductive indicators /". View online ; access limited to URI, 2006. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3248238.

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Townsend, Gabrielle. "Proust's imaginary museum : reproductions and reproduction in À la recherche du temps perdu /". Oxford ; Bern Berlin Bruxelles Frankfurt, M. New York, NY Wien : Lang, 2008. http://d-nb.info/987951734/04.

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Townsend, Gabrielle. "Proust's imaginary museum : reproductions and reproduction in AÌ€ la recherche du temps perdu". Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419119.

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8

Habayeb, Osama. "Cannabinoids and reproduction". Thesis, University of Leicester, 2009. http://hdl.handle.net/2381/29866.

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The success of implantation depends on the synchronous development of the embryo and the endometrium. This process is recognised to be regulated by the endocannabinoid system, the most widely studied of which is anandamide.;The first part of this study was the development of a robust assay to measure anandamide in human plasma. The assay was then applied to measure anandamide concentrations during the menstrual cycle, pregnancy, labour and in a group of women presenting with threatened miscarriage. The mean plasma anandamide levels in the follicular phase were 1.68 nM compared to 0.87 in the luteal phase. In pregnancy, the mean levels in the first trimester were 0.89 nM and 0.44 in both the second and third trimesters. At term, the mean levels were 0.68 in the non-labour group and to 2.5 nM in labour. In the threatened miscarriage group, anandamide levels >2.0 nM were predictive of subsequent miscarriage with sensitivity of 100%, specificity of 94.4%, negative predictive value of 100% and positive predictive value of 81.8%.;Finally, to try and identify potential targets of anandamide action, the expression of the cannabinoid receptors (CB1 & CB2) and the enzyme FAAH was studied in first trimester placentas. All proteins studied were present in the tissues examined with the expression of the CB1 diminishing after 9 weeks and FAAH disappearing by 11 weeks gestation. Similarly, anandamide inhibited the growth of BeWo cells in culture. Taken together, these findings suggest that anandamide plays a role in the maintenance of early pregnancy.

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Fazi, Filippo Maria. "Sound field reproduction". Thesis, University of Southampton, 2010. https://eprints.soton.ac.uk/158639/.

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This thesis is concerned with the problem of reproducing a desired sound field with an array of loudspeakers. A theory based on functional analysis and the theory of integral equations is developed for the study of this problem. An attempt is made to develop a mathematical framework that can be adopted as a generalized theory of sound field reproduction. The reproduction problem is formulated as an acoustical inverse problem, in which the target sound field is given on the boundary of a control volume located in the interior of the loudspeaker array, while the loudspeaker signals required for the reproduction of the desired field are to be determined. The loudspeaker array is initially modeled as a continuous distribution of secondary sources, mathematically represented by a single layer potential, whose density is to be determined. The singular value decomposition of the integral operator involved is proposed as a method for solving the inverse problem. Closed form expressions are derived for the singular system for the cases of secondary sources arranged on a sphere and on a circle. An attempt is also made to extend the calculation to unbounded geometries, such as an infinite line and a plane. The inverse problem under consideration is in general ill-posed, and the existence and uniqueness of its solution are studied in relation to sound fields of practical interest. It is shown that an exact and unique solution exists for a large family of sound fields. Strategies are proposed for overcoming the problem of nonexistence and nonuniqueness of the solution, arising in cases such as the reproduction of focused sources or when the operating frequency corresponds to one of the Dirichlet eigenvalues of the control region. An important analogy is also drawn between the problem of sound field reproduction and the theory of acoustic scattering. In a later part of this work, the assumptions of a continuous layer of secondary sources and of a single operating frequency are removed, and the resulting consequences are analyzed. The experimental validation of some of the theoretical results is described in the final part of the thesis. A large spherical loudspeaker array is used in an attempt to reproduce the sound field generated by a single virtual source, located in the exterior of the array. Experimental results are in good agreement with the theoretical results over a wide range of frequencies.

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Lewis, Sophie. "Cyborg labour : exploring surrogacy as gestational work". Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/cyborg-labour-exploring-surrogacy-as-gestational-work(2a3f4b10-8a41-4ba9-a193-0a9067babf4a).html.

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Commercial gestational surrogacy, also called contract pregnancy, involves privately contracting a biogenetically curated pregnancy using IVF. It distinguishes itself from what is commonly considered 'natural' in procreation, in that the human fetuses it produces are formally entered into a legal unit other than the family of the gestator. My work here contends that this practice is best thought, not in isolation, but in the context of social reproduction more generally and as a central component of future geographies of fetal manufacture that would treat (all) pregnancy as work. This project demands, for me, a critical revisiting of theoretic texts like Mary O'Brien's The Politics of Reproduction (O'Brien 1981). But, in my reading, O'Brien's race-blind gynocentrism doomed her to miss the ensemble of practices - forms of surrogacy among them - that have already long been engaged in the sublation of reproductive labour she professes (yet defers until after the revolution). In geography as in O'Brien, the political horizon of reproductive justice theorised by Black and/or Marxist feminists since the 1970s (Davis 1981; Ross et al. 2016), has been neglected. In assembling materials for a future rewriting of "The Politics of Reproduction" in the context of geography -a trans-inclusive uterine geography- I draw on this canon of reproductive justice first. I question the assumption that there can ever be an absence of surrogacy (i.e. an absence of assistance, co-production, or "sym-poesis" (Haraway 2016)) in babymaking. Thus I explore the synthetic substance of surrogacy synthetically, using a lens I call 'gestational labour': a conceptual hybrid of the postwork perspective on care (Weeks 2011; Federici 1975), the Marxist-feminist concept 'clinical labour' (Cooper and Waldby 2014) and cyborgicity (Haraway 1991). Deploying 'gestational labour' together with a commitment to solidarity vis-à-vis surrogates, I analyse recent events, pro- and anti-surrogacy discourses (both clinical-capitalist and activist), and trends in critical literature that illuminate an immanent 'uterine geography' (or fail to). I aim to demonstrate that the technophobic anticommodification critique of surrogacy's detractors is ultimately as insufficient as the class-blind ('philanthrocapitalist') feminism of surrogacy's sales representatives. My point is that so-called natural forms of the family are themselves already 'technologies of reproductive assistance' differently mediated in the market. Our task is unfortunately neither a matter of simply saying 'stop', nor of pretending that the satisfaction people feel in "mutually advantageous exploitation" (Panitch 2013), on such an unequal playing-field, is somehow 'enough'.Surrogate gestators sometimes show us glimpses of 'mothering against motherhood'. They expose gestation as a cyborg form of labour-power, which is to say, collective human activity always already mixed up with 'technologies' on the one hand and strange more-than-human organisms on the other. Pitting surrogacy against surrogacy, I propose keeping our understanding of what surrogacy could mean radically open. On this basis, I point readers and potential future collaborators towards new kinds of sym-poetic geographical practice: surrogacies - or, engagements with reproductive politics in the broadest sense - which I think our historic moment urgently requires.

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Libri sul tema "Reproduction"

1

Hutchinson, J. S. M. Controlling reproduction. London: Institute of Biology, 1993.

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2

Adler, Norman, Donald Pfaff e Robert W. Goy, a cura di. Reproduction. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4684-4832-0.

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Joseph, Meyers Patrick, Samper Juan C e University of Guelph. Equine Research Centre., a cura di. Reproduction. Guelph, Ont: Equine Research Centre, University of Guelph, 1994.

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Johnson, M. H. Reproduction. Paris: De Boeck, 2002.

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Ballard, Carol. Reproduction. London: Wayland, 2009.

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T, Adler Norman, Pfaff Donald W. 1939- e Goy Robert W, a cura di. Reproduction. New York: Plenum Press, 1985.

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Carlo, Bulletti, e Guller Seth, a cura di. Human reproduction in 2007. Malden, Mass: Blackwell, 2008.

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Lorraine, Culley, Hudson Nicky e Van Rooij Floor, a cura di. Marginalized reproduction: Ethnicity, infertility and reproductive technologies. London: Earthscan, 2009.

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9

Sylvia, Atsalis, Margulis Susan W e Hof Patrick R, a cura di. Primate reproductive aging: Cross-Taxon perspectives on reproduction. Basel: Karger, 2008.

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10

author, Keuning Ralph, e Museum de Fundatie, a cura di. Rob Scholte: Reproductie verplicht : schilderijen = reproduction obliged : paintings. Zwolle: Museum de Fundatie, 2020.

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Capitoli di libri sul tema "Reproduction"

1

Warburg, Michael R. "The Reproductive System and Reproduction". In Evolutionary Biology of Land Isopods, 85–100. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-21889-1_11.

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South, A. "Reproduction". In Terrestrial Slugs, 97–141. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2380-8_5.

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3

Patch, Emily Anne, e Aurelio José Figueredo. "Reproduction". In Encyclopedia of Personality and Individual Differences, 4432–34. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-24612-3_1565.

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Krasińska, Małgorzata, e Zbigniew A. Krasiński. "Reproduction". In European Bison, 119–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36555-3_12.

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Quezada-Euán, José Javier G. "Reproduction". In Stingless Bees of Mexico, 131–65. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-77785-6_6.

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Cooper, Thia. "Reproduction". In A Christian Guide to Liberating Desire, Sex, Partnership, Work, and Reproduction, 93–110. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-70896-6_6.

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Roberts, Jean. "Reproduction". In Mastering Human Biology, 301–35. London: Macmillan Education UK, 1991. http://dx.doi.org/10.1007/978-1-349-11386-6_11.

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Kelder, Bruce. "Reproduction". In Laron Syndrome - From Man to Mouse, 507–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11183-9_58.

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9

Schiebel, Ralf, e Christoph Hemleben. "Reproduction". In Planktic Foraminifers in the Modern Ocean, 159–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-50297-6_5.

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Kilgour, O. F. G. "Reproduction". In Work Out Biology GCSE, 205–26. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-09450-9_12.

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Atti di convegni sul tema "Reproduction"

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Vlašković, Veljko. "ŽENA KOJA ŽIVI SAMA KAO KORISNICA USLUGA BIOMEDICINSKI POTPOMOGNUTE OPLODNjE". In XV Majsko savetovanje: Sloboda pružanja usluga i pravna sigurnost. University of Kragujevac, Faculty of Law, 2019. http://dx.doi.org/10.46793/xvmajsko.651v.

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Abstract (sommario):

One of significant legal innovations brought by the new domestic Law on Medically Assisted Reproduction involves widening the concept of reproductive autonomy in case of single woman as a user of medically assisted reproduction services. Thus, the new Serbian legislation in this field adopts quite liberal approach which largely relieves single woman to engage in medically assisted reproduction procedure. Firstly, the right of a single woman to access the medically assisted reproduction is not formulated as an exemption from the rule that such right belongs primarily to marriage couples and cohabitants. In this way, medically assisted reproduction is permitted under same conditions to single woman as for the spouses and cohabitants. Even more, new Serbian legislation in this field has abolished the principle of medically necessity in case of a single woman as a user of medically assisted reproduction. Thus, she has been given even bigger reproductive autonomy in domain of medically assisted reproduction comparing to those of marriage couples or cohabitants. Such unchecked and overwhelming reproductive autonomy significantly impairs the balance among the interests of participants in medically assisted reproduction procedures endangering the public interests, as well as the best interests of the prospective child.

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Vlašković, Veljko. "Pravni značaj biomedicinske usluge čuvanja reproduktivnih ćelija maloletnog lica". In XVI Majsko savetovanje. University of Kragujevac, Faculty of Law, 2020. http://dx.doi.org/10.46793/upk20.451v.

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Abstract (sommario):

Serbian Law on Medically Assisted Reproduction has widened the number of persons who enjoy the right to preserve their reproductive material for postponed reproduction due to threatened infertility. In this context, that right now belongs also to underage person if her/his parents gave the explicit and written consent to harvesting, freezing and banking of their child's reproductive cells. These are the cases when the underage person currently has reproductive capability, but she/ he is threatened by loss of reproductive function in the near future due to developing illness or forthcoming medical treatment. Understandably, the child has no right to postponed usage of residual reproductive cells beyond the cases of threatened infertility, since the underage person does not meet the legal requirements concerning personal and family status necessary for enjoying services of medically assisted reproduction. Frozen reproductive cells of underage persons will be stored without time limits, but the underage person cannot use them for conception before acquisition of legal conditions to enjoy the services of medically assisted reproduction (majority and full legal capacity, conclusion of marriage or establishing cohabitation). Such approach intends to make balance between the interests of an underage person whose gametes are stored and the „the best interets of the prospective child“ who should be conceived and born. Frozen reproductive cells of an underage person cannot be used in any other purpose except postponed homologous reproduction. Although it is not directly mentioned in Law on Medically Assisted Reproduction, reproductive cells may be harvested from an underage persons if she/he does not object to it. Such rule derives from the analogous application to the rule of Law on Human Cells and Tissues that human cell cannot be harvested from a person who has not attained majority if such person objects to it. Parents of the child decide on giving consent to harvesting, freezing and banking of their child's reproductive cells by their mutual agreement, which has the legal significance of the issue that greatly affects the child's life. The absence of consent of one or both parents cannot be replaced by state authority decision. Furthermore, the parents are not allowed to revoke their consent to their child's gamete banking.

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Vlašković, Veljko. "Pravni značaj biomedicinske usluge čuvanja reproduktivnih ćelija maloletnog lica". In XVI Majsko savetovanje. University of Kragujevac, Faculty of Law, 2020. http://dx.doi.org/10.46793/upk20.451v.

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Abstract (sommario):

Serbian Law on Medically Assisted Reproduction has widened the number of persons who enjoy the right to preserve their reproductive material for postponed reproduction due to threatened infertility. In this context, that right now belongs also to underage person if her/his parents gave the explicit and written consent to harvesting, freezing and banking of their child's reproductive cells. These are the cases when the underage person currently has reproductive capability, but she/ he is threatened by loss of reproductive function in the near future due to developing illness or forthcoming medical treatment. Understandably, the child has no right to postponed usage of residual reproductive cells beyond the cases of threatened infertility, since the underage person does not meet the legal requirements concerning personal and family status necessary for enjoying services of medically assisted reproduction. Frozen reproductive cells of underage persons will be stored without time limits, but the underage person cannot use them for conception before acquisition of legal conditions to enjoy the services of medically assisted reproduction (majority and full legal capacity, conclusion of marriage or establishing cohabitation). Such approach intends to make balance between the interests of an underage person whose gametes are stored and the „the best interets of the prospective child“ who should be conceived and born. Frozen reproductive cells of an underage person cannot be used in any other purpose except postponed homologous reproduction. Although it is not directly mentioned in Law on Medically Assisted Reproduction, reproductive cells may be harvested from an underage persons if she/he does not object to it. Such rule derives from the analogous application to the rule of Law on Human Cells and Tissues that human cell cannot be harvested from a person who has not attained majority if such person objects to it. Parents of the child decide on giving consent to harvesting, freezing and banking of their child's reproductive cells by their mutual agreement, which has the legal significance of the issue that greatly affects the child's life. The absence of consent of one or both parents cannot be replaced by state authority decision. Furthermore, the parents are not allowed to revoke their consent to their child's gamete banking.

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Mitchell, M. "What motion reproduction?" In IEE Colloquium on `Motion Reproduction in Television'. IEE, 1995. http://dx.doi.org/10.1049/ic:19950605.

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Collins, Riley. "Social Reproductive Workers Strike Back: Social Reproduction Feminism and Teachers’ Work". In 2024 AERA Annual Meeting. Washington DC: AERA, 2024. http://dx.doi.org/10.3102/2113947.

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Nash, Adam, John McCormick e Stefan Greuter. "Reproduction game demo". In The 9th Australasian Conference. New York, New York, USA: ACM Press, 2013. http://dx.doi.org/10.1145/2513002.2513034.

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Dun-Yu Hsiao e Hong-Yuan Mark Liao. "Smart tone reproduction". In ICASSP 2008 - 2008 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, 2008. http://dx.doi.org/10.1109/icassp.2008.4517851.

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Yaguchi, Hirohisa. "Mesopic color reproduction". In ICO20:Illumination, Radiation, and Color Technologies, a cura di Dazun Zhao, M. R. Luo e Hirohisa Yaguchi. SPIE, 2006. http://dx.doi.org/10.1117/12.668054.

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Motta, Ricardo J. "Computer color reproduction". In IS&T/SPIE's Symposium on Electronic Imaging: Science & Technology, a cura di Eric Walowit. SPIE, 1995. http://dx.doi.org/10.1117/12.206535.

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Chodura, Hartmut, e Arnold Kaup. "Virtual music reproduction". In ACM SIGGRAPH 99 Conference abstracts and applications. New York, New York, USA: ACM Press, 1999. http://dx.doi.org/10.1145/311625.312102.

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Rapporti di organizzazioni sul tema "Reproduction"

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Correa, Pedro. Reproduction of ''. Social Science Reproduction Platform, dicembre 2021. http://dx.doi.org/10.48152/ssrp-45qh-5077.

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Sun, Pu. Reproduction of ''. Social Science Reproduction Platform, gennaio 2023. http://dx.doi.org/10.48152/ssrp-r65s-b148.

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Wang, Che-Yu. Reproduction of ''. Social Science Reproduction Platform, febbraio 2024. http://dx.doi.org/10.48152/ssrp-hhs9-e285.

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Shedrow-Moore, D. B. Ceriodaphnia survival/reproduction test. Office of Scientific and Technical Information (OSTI), gennaio 1989. http://dx.doi.org/10.2172/5182643.

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Palmer, Bailey. Reproduction of 'Labor Rationing'. Social Science Reproduction Platform, aprile 2022. http://dx.doi.org/10.48152/ssrp-qxq1-1795.

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Stacy, Elena. Reproduction of 'Tropical Economics'. Social Science Reproduction Platform, aprile 2023. http://dx.doi.org/10.48152/ssrp-fceb-v137.

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El Halawani, Mohamed, e Israel Rozenboim. Temperature Stress and Turkey Reproduction. United States Department of Agriculture, maggio 2002. http://dx.doi.org/10.32747/2002.7570546.bard.

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High temperature stress is of major concern to turkey producers in Israel and the United States. The decline in the rate of egg production at high environmental temperature is well recognized, but the neuroendocrinological basis is not understood. Our objectives were: 1) to characterize the hypothalamo-hypophyseal axis involvement in the mechanism(s) underlying the detrimental effect of heat stress on reproduction, and 2) to establish procedures that alleviate the damaging effect of heat stress on reproduction. Heat stress (40oC, Israel; 32oC, U.S.) caused significant reduction in egg production, which was restored by VIP immunoneutralization. The decline in egg production did not appear to be entirely related to the expression of incubation behavior due to the rise in circulating PRL in stressed birds. Heat stress was found to increase circulating PRL in ovariectomized turkeys independent of the reproductive stage. Active immunization against VIP was shown for the first time to up-regulate LHb and FSHb subunit mRNA contents. These findings taken together with the results that the heat stress-induced decline in egg production may not be dependent upon the reproductive stage, lead to the suggestion that the detrimental effect of heat stress on reproductive performance may be in part mediated by VIP acting directly on the GnRH/gonadotropin system. Inhibin (INH) immunoneutralization has been shown to enhance FSH secretion and induces ovulation in mammals. It is hypothesized that immunization of heat-stressed turkeys against INH will increase levels of circulating FSH and the number of preovulating follicles which leads to improved reproductive performance. We have cloned and expressed turkey INH-a and INH-bA. Active immunization of turkey hens with rtINH-a increased pituitary FSH-b subunit mRNA and the number of non-graded preovulatory yellow follicles, but no significant increase in egg production was observed.

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Golovsky, David, e Shannon Kim. Sperm retrieval for assisted reproduction. BJUI Knowledge, novembre 2020. http://dx.doi.org/10.18591/bjuik.0528.

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Golovsky, David, e Shannon Kim. Sperm retrieval for assisted reproduction. BJUI Knowledge, novembre 2020. http://dx.doi.org/10.18591/bjuik.0528.v2.

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Vidal Ureta, Francisco. Reproduction of 'Subways and Road Congestion'. Social Science Reproduction Platform, gennaio 2022. http://dx.doi.org/10.48152/ssrp-7mjy-gt98.

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