Academic literature on the topic 'European rabbit Reproduction'

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Journal articles on the topic "European rabbit Reproduction"

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Wheeler, SH, and DR King. "The European Rabbit in South- Western Australia II. Reproduction." Wildlife Research 12, no. 2 (1985): 197. http://dx.doi.org/10.1071/wr9850197.

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'The reproduction of the European rabbit, Oryctolagus cuniculus (L.), at two intensive study sites in south-western Australia is compared with reproductive data from rabbits taken throughout the coastal and inland districts of the south-west region. South-western Australia has hot, arid summers and cool wet winters. Rabbit breeding in the region is characteristic of that in Mediterranean climates, with a winter breeding season which begins when pastures germinate with the initial winter rainfall (April-May) and ceases when the pastures dry out at the end of the year. Unseasonal cyclonic rain can promote pasture growth in summer, leading to limited breeding. At all times of year there were some fertile males, with fewest at the height of summer, followed by an increase before the winter breeding season. Near the coast, male fertility increased more rapidly than further inland. At our two study sites at Cape Naturaliste (on the coast) and Chidlow (55 km inland) the pattern was similar to that in the coastal district. Production of kittens was greater near the coast than further inland, because near the coast there was a high early peak in incidence of pregnancy, a second peak late in the year, and litters remained large throughout the breeding season. In the inland district, the early incidence of pregnancy was lower, there was no second peak, and litter sizes fell at the end of the year. Female reproduction at Cape Naturaliste was typical of that in the coastal district, but that at Chidlow was typical of the inland. The second peak of pregnancy at Cape Naturaliste was due to intensive breeding by subadults born earlier in the year. The differences in female reproduction and productivity between the coastal and inland districts are probably because pasture growth begins earlier and is better in the more fertile coastal areas than in the inland. That nutrition is better for rabbits in the coastal areas than in the inland is reflected in higher growth rates of kittens at Cape Naturaliste than at Chidlow. It is postulated, on the basis of the literature and the results of our studies, that the factor which determines whether rabbits will breed is the presence of growing vegetation, and that the intensity of breeding is influenced by a seasonal cycle in fertility.
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Robley, Alan J., Jeff Short, and Stuart Bradley. "Do European rabbits (Oryctolagus cuniculus) influence the population ecology of the burrowing bettong (Bettongia lesueur)?" Wildlife Research 29, no. 5 (2002): 423. http://dx.doi.org/10.1071/wr01007.

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The influence of the European rabbit (Oryctolagus cuniculus) on the survival of medium-sized native mammals remains unclear despite 60 years of speculation. Most medium-sized native species that might have been affected by the presence of rabbits are extinct, rare, or endangered. This limits the opportunity to study their interaction with introduced herbivores. We studied the effect of changes in rabbit density on aspects of the ecology of burrowing bettongs (Bettongia lesueur) reintroduced to mainland Australia on Heirisson Prong, Shark Bay, Western Australia. The rabbit population at the site grew to a 10-year high concomitant with a dry summer and low and declining pasture cover. Rabbit browsing led to widespread defoliation of, and subsequent death of, many palatable shrubs. Despite these adverse conditions, reproduction, recruitment and rate of increase of bettongs did not vary with changes in rabbit density, nor did the survival of adult males and females. This work casts doubt on the idea that competition with an introduced herbivore, such as the rabbit, was an important factor in the decline of the burrowing bettong. It highlights the need to understand the ecologies and life histories of native and introduced species in order to manage for the long-term persistence of native species.
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Tablado, Zulima, Eloy Revilla, and Francisco Palomares. "Breeding like rabbits: global patterns of variability and determinants of European wild rabbit reproduction." Ecography 32, no. 2 (April 2009): 310–20. http://dx.doi.org/10.1111/j.1600-0587.2008.05532.x.

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Revilla, Eloy, and Francisco Palomares. "Differences in key habitat use between dominant and subordinate animals: intraterritorial dominance payoffs in Eurasian badgers?" Canadian Journal of Zoology 79, no. 1 (January 1, 2001): 165–70. http://dx.doi.org/10.1139/z00-173.

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Group-living territorial animals such as the Eurasian badger, Meles meles L., face the problem of intragroup competition. Badgers are asymmetric in their access to reproduction (dominant individuals being the ones that reproduce), but little information exists about the extent of intragroup trophic competition. We studied badgers' use of a key trophic resource (the European rabbit, Oryctolagus cuniculus), as well as the use of the habitat where this resource is located (key habitat, Mediterranean scrubland) by a low-density group-living population of badgers in Coto del Rey, Doñana, southwestern Spain. During 1995–1996, there was a 2.2-fold reduction of rabbit density, which was reflected in a significant diminution of rabbit use; despite this, rabbits continued to be the most used trophic resource. Notwithstanding the decrease in rabbit density, subordinate badgers reduced their use of the key habitat, while dominant badgers increased it. These results suggest that in Coto del Rey, badger groups exhibit a fully despotic system, with dominance by some individuals not only in access to reproduction, but also in access to food through unequal use of the key habitat that contains it.
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Kontsiotis, Vasileios J., Panteleimon Xofis, Vasilios Liordos, and Dimitrios E. Bakaloudis. "Effects of environmental and intrinsic factors on the reproduction of insular European wild rabbits (Oryctolagus cuniculus cuniculus Linnaeus 1758)." Mammalia 83, no. 2 (February 25, 2019): 134–43. http://dx.doi.org/10.1515/mammalia-2017-0136.

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Abstract European wild rabbits (Oryctolagus cuniculus cuniculus) have been recently recognized as serious crop pests on Lemnos Island, Greece. With an aim to understand the population dynamics, rabbit reproduction was studied in relation to environmental and intrinsic factors, by a postmortem examination of 273 adults (162 males, 111 females), collected from February 2007 to January 2008. Reproductive activity peaked in the spring and was higher in agricultural than in phryganic habitats for females [pregnant: agricultural 74.5%, phryganic 54.0%, p=0.041; average number of implanted embryos: agricultural 5.56±0.21 standard error (SE), phryganic 4.07±0.21 SE, p=0.0002], but not for males (fertile: agricultural 38.8%, phryganic 31.2%, p=0.308). Classification tree models included explanatory variables with monthly time lags to detect important effects. The male reproductive status (i.e. proportion fertile) was favored by a low maximum temperature in the sampling month (<21.5°C), whereas under a higher maximum temperature male fertility was favored by a high vegetation quality (>14.2% crude protein, CP), good body condition and low mean temperature (<20.5°C). A low maximum temperature at conception (<20.0°C; 1 month time lag) favored pregnancy status (i.e. proportion pregnant). At a higher maximum temperature, pregnancy was favored by a high vegetation cover (>86.8%) at conception. Vegetation quality higher than 10.9% CP resulted in a medium to high number of implanted embryos (2 months time lag), further determined by a high vegetation cover (>90.8%; 2 months time lag) and a low population density (<1.9 ind·ha−1). The results identified temperature and habitat quality as prime drivers of reproduction, and ultimately population dynamics. Such information could prove useful for successful rabbit management on Lemnos and other similar areas.
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Bolet, G., M. Monnerot, C. Arnal, J. Arnold, D. Bell, G. Bergoglio, U. Besenfelder, et al. "A programme for the inventory, characterisation, evaluation, conservation and utilisation of European rabbit (Oryctolagus cuniculus) genetic resources." Animal Genetic Resources Information 25 (April 1999): 57–70. http://dx.doi.org/10.1017/s1014233900003461.

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SummaryIn Europe, more than 60 breeds are described by the national associations of rabbit breeders. However, these breeds are scarcely used in the commercial production of rabbit meat in Europe, which is based mainly on commercial strains. A European programme, coordinated by the I. N. R. A., has been initiated to realise the inventory of all these breeds and to evaluate the zootechnical value and the genetic characteristics of some of them. Through the European association of rabbit breeders and the FAO national focal points, all the European countries have been asked to fill out a questionnaire describing their populations of rabbits. A data bank is being set up, which will be included in the FAO (DAD-IS) and EAAP data banks. A sample of 10 breeds has been chosen (Flemish Giant, French Lop, Belgian Hare, Vienna White, Champagne Argente, Thuringer, Fauve de Bourgogne, Chinchilla, Himalayan, British). Their zootechnical value (reproduction, growth and carcass traits) is being evaluated on three experimental farms, in comparison with a control breed. At the same time, their genetic polymorphism and the genetic distances between these 10 breeds are calculated on the basis of microsatellites, mitochondrial DNA, other genetic markers and protein polymorphism. Finally, a bank of frozen embryos from these 10 breeds is being constituted.
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Roellig, Kathleen, Frank Goeritz, and Thomas B. Hildebrandt. "Ultrasonographic characterisation of prenatal development in European brown hares (Lepus europaeus PALLAS, 1778): an evolutionary approach." Reproduction, Fertility and Development 22, no. 2 (2010): 448. http://dx.doi.org/10.1071/rd09098.

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The European brown hare is one species in which reproduction appears to be particularly complex. Therefore, we studied the reproductive tract and prenatal development using high-resolution ultrasound of 159 pregnancies in 45 captive female hares. Consecutive examination of live hares was particularly useful in evaluating the very early stages of gestation. As such, it was possible to detect corpora lutea by Day 3 and embryonic vesicles, representing the earliest uterine embryonic stages, by Day 6. On Day 11, the heart beat of the embryo was detectable for the first time. We defined ultrasonographic milestones that were characteristic of the different stages of pregnancy. We also calculated growth models using eight different morphological parameters, including development of the corpus luteum. On the basis of these results, it is now possible to estimate the gestational age of a pregnant doe without knowing the date of conception. In contrast with the European rabbit, a distant relative, European hares give birth to precocial young. A comparison of the prenatal growth rate of both species suggests that the precocial state of the hare neonate is a more recently derived evolutionary characteristic, whereas the altricial condition of rabbits represents the ancestral mode.
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Bell, D. J., and N. J. Webb. "Effects of climate on reproduction in the European wild rabbit (Oryctolugus cuniculus)." Journal of Zoology 224, no. 4 (August 1991): 639–48. http://dx.doi.org/10.1111/j.1469-7998.1991.tb03792.x.

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G. Rödel, Heiko, Agnes Bora, Jürgen Kaiser, Paul Kaetzke, Martin Khaschei, and Dietrich von Holst. "Density-dependent reproduction in the European rabbit: a consequence of individual response and age-dependent reproductive performance." Oikos 104, no. 3 (March 2004): 529–39. http://dx.doi.org/10.1111/j.0030-1299.2004.12691.x.

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Rouillon, Charlène, Sabine Camugli, Olivier Carion, Arantxa Echegaray, Guy Delhomme, and Eric Schmitt. "Antimicrobials in a rabbit semen extender: effects on reproduction." World Rabbit Science 30, no. 4 (December 29, 2022): 295–308. http://dx.doi.org/10.4995/wrs.2022.17132.

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The use of fluoroquinolone antibiotics was legally restricted by the European Commission in March 2019. Since the extender for rabbit semen Galap® contained this antibiotic, it became necessary to modify it. The purpose of this study was to search for another molecule, based on its antimicrobial activity and also on the conservation, motility and fertility of semen diluted with the new extender. Several bacterial strains were isolated from 10 poor-quality ejaculates, including Enterococcus spp., Staphylococcus aureus and Proteus spp. They were then tested for antimicrobial susceptibility. Out of 15 antibiotics evaluated, gentamicin was the one targeting such bacteria. In vivo tests were then carried out to assess the effects of this antibiotic change on sperm parameters. Up to 26 pools of good quality semen (total motility >70%) were diluted in original Galap® or in this extender with gentamicin. Ejaculates were analysed on the day (D) of collection and up to 6 d of storage at +17°C. After 24 h storage, the motility in the new extender was reduced by 7.7% compared to the original; this decrease did not worsen by storing. After 6 d of storage, no difference between the two media was detected. A total of 360 females were then inseminated with pools of 4 to 5 good quality semen diluted 1:10 in both extenders, following the routine protocol of rabbit semen processing centres. There was no difference in female fertility or prolificacy between both formulations. In conclusion, these preliminary results suggest that the addition of gentamicin to this extender is useful and also has no adverse effect on fertility or prolificacy.
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Dissertations / Theses on the topic "European rabbit Reproduction"

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Reece, C. "Aspects of reproduction in the European rabbit (O. cuniculus) L." Thesis, University of East Anglia, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355356.

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Books on the topic "European rabbit Reproduction"

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Reece, Cindy. Aspects of reproduction in the European rabbit (O. cuniculus) L.. Norwich: University of East Anglia, 1985.

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Book chapters on the topic "European rabbit Reproduction"

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Rödel, Heiko G., and Dietrich Von Holst. "Weather Effects on Reproduction, Survival, and Body Mass of European Rabbits in a Temperate Zone Habitat." In Lagomorph Biology, 115–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-72446-9_8.

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Foufopoulos, Johannes, Gary A. Wobeser, and Hamish McCallum. "Infectious Diseases as Biological Control Agents." In Infectious Disease Ecology and Conservation, 237–49. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780199583508.003.0015.

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Conservation managers have long considered parasites and pathogens to constitute promising tools for the control of invasive species with the potential to generate tremendous ecological and economic benefits. However, outside a very few high-profile systems, little is known about the utility of this approach for applied conservation. We review here three well-characterized case studies of vertebrate biocontrol (rabbits in Australia and New Zealand, cats on Marion Island, and European carp in Australia), and discuss some of the conservation insights that have emerged from these systems. At a minimum, managers should be able to demonstrate that a proposed agent is: (i) safe in terms of its effects on nontarget species; and (ii) effective in regard to impacts on survival or reproduction of the focal species. Actual effects on the targeted population will likely depend on a complex interplay between environmental conditions, natural selection, and immunity, and need to be investigated carefully before any releases. Furthermore, the presence of other pathogens already circulating in the target population has the potential to either amplify or diminish impacts on the focal population. Biocontrol agents are best used to rapidly reduce target species populations rather than achieve complete host extinction, unless they are released into a small, well-circumscribed area. For a biocontrol agent to have a strong and long-term effect, it typically needs to be followed up by other control measures that capitalize on the population reduction brought on by the pathogen. In summary, pathogen biocontrol efforts are most successful if they are preceded by careful planning and if ongoing evaluation and adaptive management techniques are applied.
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