Relevant bibliographies by topics / Biometry; Breeding – Statistical methods

Academic literature on the topic 'Biometry; Breeding – Statistical methods'

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Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Biometry; Breeding – Statistical methods"

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Katkov, K. A., L. N. Skorykh, V. S. Pashtetsky, P. S. Ostapchuk, and T. A. Kuevda. "Mathematical methods in the breeding evaluation of small horned ruminants." South of Russia: ecology, development 14, no. 3 (October 10, 2019): 101–10. http://dx.doi.org/10.18470/1992-1098-2019-3-101-110.

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Aim. Traditionally, prediction of breeding values of male small horned ruminants (rams) by referring to levels of economically useful traits of their progeny is carried out by methods of statistical analysis. However, at the same time, there is a forecasting method based on the use of a mixed biometric model. The solution of the system of equations constituting a mixed biometric model is associated with certain difficulties caused by the peculiarity of the system matrix. It is proposed to use integrated mathematical packages in the forecast, by which the system of equations can be solved in several ways, followed by analysis of the results. The prediction of progeny values is carried out by statistical methods using three statistical tests, as well as with the use of a mixed biometric model. It is of interest to compare estimates obtained by using statistical methods with estimates using a mixed biometric model. Material and Methods. The initial data set was the live weight of Qigai rams, the progeny of a group of sixteen rams belonging to eight genetic groups. Results. It was found that the forecast of breeding values of each animal using a mixed biometric model substantially clarifies the rank of each animal in the group being evaluated. Conclusion. The refinement of the estimation of breeding value is related to the effects of the genetic groups to which the animals belong in the mixed model, as well as the degree of relationship between them. Also the mixed model also allows one to isolate environmental effects from the overall assessment. Solving the system of equations in several ways will improve the reliability of the forecast.
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Zaitsev, Sergey, Konstantin Kondakov, Galina Maslova, Denis Babushkin, and Albina Levkina. "The use of biometric methods in the study of the grass pea." АгроЭкоИнфо 5, no. 53 (September 23, 2022): 3. http://dx.doi.org/10.51419/202125503.

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Grass pea (Lathyrus sativus) is widely cultivated in arid conditions of southern countries for fodder and food purposes, and also as a green manure crop. The soil and climatic conditions of the Lower Volga region are quite favorable for the cultivation of the grass pea. This makes it possible to expand the area under crops to meet such goals of the food program as increasing the production of protein for food and feed purposes. The study of the breeding material of the grass pea makes it possible to supplement the gene pool of high-protein crops. The article presents the results of the use of biometric methods for assessing the gene pool of the grass pea. Statistical indicators of the sample, coefficients of variation of traits were identified, significant differences in the breeding material for the studied traits were noted. The yield of gross energy with seeds was determined: 16,66-33,51 GJ/ha. Keywords: GRASS PEA, LINE, PRODUCTIVITY, VARIATION, PROTEIN, SELECTION
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Platonova, N. P., and A. A. Bondar. "DYNAMICS OF THE RESULTS OF TRADITIONAL PRIZES AT 1600 M HORSES OF RUSSIAN TROTTING HORSES FOR 2000-2020." Scientific and Technical Bulletin of the Institute of Animal Science NAAS of Ukraine, no. 125 (2021): 154–61. http://dx.doi.org/10.32900/2312-8402-2021-125-154-161.

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In the presented work, the dynamics of the results of the drawing of traditional prizes at a distance of 1600 m by horses of the Russian trotting breed, which were tested from 2000 to 2020 at the Kyiv Hippodrome, was investigated. The main breeding trait of Russian trotting horses is speed. This is a complex trait that is formed during ontogenesis and indirectly includes several other breeding parameters: the correctness of the exterior, the level of health. The results of the prizes were analyzed: Ideal (stallions and mares 2 years old), Govorukhi (mares 2 years old), Three-year open, Derby (4 years old), Elite (for older horses). Future (for stallions and mares 3 years old). The data of the primary zootechnical registration of the Kyiv hippodrome were analyzed based on the results of the traditional prizes for a distance of 1600 m for the period 2000-2020. Statistical analysis of the collected data was carried out using classical biometric methods. At the same time, there is a tendency to improve speed in the Derby prize (4 years old) (p<0.1) and in prizes for two-year-old horses: the Ideal prize (stallions and mares 2 years old) (p<0.1) and Govorukha prize (mares 2 years old) (p<0.1). The resulting tendency may indicate the total effect of genetic (an increase in early maturity and the formation of working qualities of 2-year-old Russian trotting horses) and phenotypic factors (improvement of the technology of feeding, raising and training horses of this age group). In all the studied prizes, a speed improvement was observed, which indicates a successful selection and breeding work with the Russian trotting breed in this direction.
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Kosenko, S. Yu, A. V. Burenko, V. S. Cheban, and S. A. Nagornyi. "ANALYSIS OF EXTERIOR FEATURE AND WORKING QUALITIES OF TROTTER BREEDS HORSES BELONGING TO THE BRANCHES OF SE ‘HORSE BREEDING OF UKRAINE’ ACCORDING TO THE RESULTS OF THE EXPERT EVALUATION OF 2022." Animal Breeding and Genetics 64 (December 26, 2022): 27–33. http://dx.doi.org/10.31073/abg.64.03.

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During the period from 2005 to 2020, the trotting horse breeding industry in Ukraine suffered significant losses, and the number of breeding horses of the Oryol breed and the Ukrainian trotting breed group being approved decreased by 60–80%, respectively [3]. Today farms engaged in the breeding of pedigree horses are unprofitable, as a result of which the gene pool is impoverished and the herd is reduced. Under such conditions, it is quite difficult to carry out selection in the direction of genetic diversity. In this way, in order to plan effective samplings and selections of animals, it is necessary to carry out a comprehensive assessment of not only the breeding herd, but also the young animals that undergo testing [5]. For this purpose, an expert evaluation of trotting horses and thoroughbred riding breeds is held annually at hippodromes. Research purpose was to analyse the current condition of breeding young trotting horses that are tested at hippodromes, according to exterior and performance indicators. Research material and methods. The research was carried out in the production conditions of the branch “Odesa Hippodrome” and Communal enterprise “Kyiv Hippodrome”. The horses of trotting breeds aged 2–4 years, which were tested at these hippodromes and belonged to the following branches of State Enterprise “Horse Breeding of Ukraine” were selected for the experiments: Dibriv stud farm № 62, Zaporizhzhia stud farm № 86, Loziv stud farm № 124 and Lymariv stud farm № 61 (n = 93). To characterize the growth and development of the experimental animals, the following measurements were taken: height at the withers, chest girth, and wrist girth. The measurements were carried out using a measuring stick and a measuring tape according to the method by A. Krasnikov (1959). When evaluating trotters based on the obtained measurements, the Instruction on the grading of breeding horses was used. The working capacity of the studied herd of horses was assessed by the best agility at a distance of 1600 meters. Based on these data, the average rate of agility of horses in terms of breeds and horse owners was derived, and a statistical analysis was carried out in Excel using classic biometric methods by N. Plokhinskyi. Research results. To assess the exterior indicators of the trotter herd, the expert commission conducted a brood of trotters of all sex-age groups and breeds (n = 72). Subsequently, the results of breeding horses at the Dibriv stud farm, which were tested at Communal enterprise “Kyiv Hippodrome” (n = 21), were added to the obtained indicators. According to the breeding results at Odesa Hippodrome, the highest average score for exterior – 5.52 was given to the horses of the Dibriv stud farm. The average rating of this farm horses, which are tested at both hippodromes, was 5.11 points on the grading scale. According to working capacity indicators, the Dibriv stud farm leads among all farms – 7.9 points. Horses of the Zaporizhzhia stud farm received an average score of 5.26 for exterior, and 6.2 for working qualities; from Loziv – respectively, 4.64 and 7.1. The horses of the Lymariv stud farm according to the measurements did not meet the minimum requirements of the Instruction on the grading of breeding horses, and had the lowest average score for performance – 4.7. When studying the horses’ working qualities, it was found that the Dibriv stud farm representatives have the best agility indicators. The average score for working capacity by farm according to the Instruction on the grading of breeding horses is: Dibriv stud farm – 7.9; Zaporizhzhia – 6.2; Loziv – 7.1; Lymariv – 4.7. The herd of trotting stallions of all farms is mostly inferior to mares in terms of both appearance and performance. Consequently, according to the results of the realized actions, the mares received the 1st degree certificate.
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Kolosov, Yu A., V. V. Aboneev, A. M. Abdulmuslimov, and A. S. Kiselev. "Characteristics of wool raw materials in the Southern Federal District." Agrarian science, no. 2 (March 8, 2020): 29–32. http://dx.doi.org/10.32634/0869-8155-2020-335-2-29-32.

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Relevance. Sheep wool is one of the types of products that requires high energy costs of feed. Therefore, sheep breeding should be based in regions that allow for their soil and climate conditions to contain animals of this type with the lowest material costs. One of these regions of the Russian Federation is the southern Federal district. Assessment of the state of fine wool production in the region makes it possible to develop a science-based strategic program for managing this process, which can be universal and used in relation to other territories. This is the relevance of our research.Methods. Analytical, statistical, computational, and biometric research methods were used for their implementation.Results. As a result, it was found that there is currently a certain stagnation in the production of Merino wool in the Southern Federal District. Therefore, additional means of regional and federal support are needed to encourage producers to increase the number of sheep that produce uniform wool. Certification of wool based on methods consistent with international standards of the IWTO countries in this territory revealed a number of qualitative features of the raw materials produced. The largest share in the structure of produced wool — 79–93% — is occupied by raw materials with a diameter of the cross section of the fibers of 20.6–23.0 microns. Very insignificant is volume of wool diameter of the cross section of the fibers less than 20.5 microns — less than 1%. It is produced only in the Rostov region. It was also established that the share of wool with contamination by easily-and difficult-to-separate impurities at the level of 1.5–2% is from 38 to 100% of the produced wool in different regions of the district. The authors propose a system of complex selection and technological techniques to improve the quality of fine wool produced.
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Kryukova, A. V., A. N. Mustafina, and L. M. Abramova. "Comparative indicators of morphology and seed productivity in rare <i>Iris</i> L. spp. within their natural habitats and under cultivation in the Southern Urals." Proceedings on applied botany, genetics and breeding 183, no. 3 (October 4, 2022): 171–82. http://dx.doi.org/10.30901/2227-8834-2022-3-171-182.

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Background. Wild irises are promising for cultivation and use in breeding practice. Many of them are included in Red Lists, as they disappear under the impact of anthropogenic factors. It is biologically important to study their morphometric and reproductive parameters, so that the most stable and highly ornamental species could be recommended for expanding the range of flower plants.Materials and methods. Biological features of four Iris L. species rarely occurring in the Southern Urals: I. pseudacorus L., I. pumila L., I. scariosa Wild. ex Link, and I. humilis Georgi, were studied in 2012–2017 in 23 natural and 4 introduced cenopopulations. Individual parameters were compared for 25 medium-age plants from each cenopopulation in their mass-flowering and fruiting phase according to 11 biometric parameters using conventional methods. Statistical significance of the differences was assessed using Student’s t-test.Results. Comparison of morphometric parameters of four rare Iris spp. naturally occurring and introduced in Bashkortostan during six years of research showed significant differences between cenopopulations at a 5% significance level for most traits of I. pumila and I. pseudacorus. As for I. scariosa and I. humilis, differences were mostly insignificant (at tfact< 2.064). Mean values of most reproductive parameters for I. scariosa, I. humilis and I. pseudacorus were significantly lower under introduction conditions than in natural populations. Under cultivation, seed productivity of I. pumila increased. Variability of most morphometric features of the studied irises was within normal response limits for the studied species. When cultivated in the environments of the Bashkir Cis-Urals, they bloom and bear fruit every year, except for I. humilis.Conclusion. Of the four rare Iris spp., I. pumila is recommended for landscaping settlements in the South Urals as the most stable species.
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Ovchinnikova, O. P. "Assessment of the adaptive abilities of valuable economic traits of genotypes in terms of "total yield of root crops" and "vitamin C content" in radish breeding." Bulletin of Kharkiv National Agrarian University named after V.V. Dokychaiev. The series “Crop production, selection and seed production, fruit and vegetable growing” 2020, no. 1-2 (March 12, 2021): 128–38. http://dx.doi.org/10.35550/visnykagro2020.01-02.128.

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The aim of the research was to reveal the adaptive features of the original collection material of radish Raphanus sativus L. in terms of "total root yield" and "vitamin C content". Methods. Field, biometric, statistical. The following indicators were used to assess the parameters of adaptive capacity and ecological plasticity: general and specific adaptive capacity of the genotype (GACi and SACi); relative stability (Sgi); coefficient of ecological plasticity (bi); breeding value of the genotype (BVGi). Results. According to the results of research in 2015–2017 for the agro-climatic zone of the Left Bank Forest-Steppe of Ukraine promising varieties as valuable genetic sources for adaptive selection of radish Raphanus sativus L. Among the analyzed varieties were selected 2 samples Lʹodyana burulʹka and Bila tsylindrychna indicators of adaptive potential and higher indicators of «total yield» (Xmed = 21,03–22,10 t/ha, SCG = 12,93–19,31) and vitamin C content in roots (Xmed = 22,47–25,43 mg/100 g, SCGi = 18,26–20,20). Another variety Ilka had a high adaptive potential and the level of manifestation in terms of «total root yield» (Xmed = 22,10 t/ha, SCGi = 11,83). There were 2 samples of 18 dney and Lʹodyana burulʹka, which showed a low dependence on environmental conditions (bi<1) and are valuable genetic sources for adaptive selection. According to the indicator "vitamin C content" in root crops, 5 samples were isolated that had better adaptive characteristics than the standard ruby Rubin: Duet (Xmed = 26,20 mg/100 g, SCGi = 20,76), Bohynya (Xmed = 22,77 mg/100 g, SCGi = 20,63), Snyezhka (Xmed = 23,29 mg/100 g, SCGi = 18,84), Bila (Xmed = 23,30 mg/100 g, SCGi = 18,57) ), Frenchpop (Xmed = 26,27 mg/100 g, SCGi = 20,85). Stable sources on the basis of "vitamin C content" in roots (bi<1) were samples: Duet), Bohynya, Bila, Bila tsylindrychna. Conclusions. There are two high-yielding varieties of sowing radish Lʹodyana burulʹka and Bila tsylindrychna, which in terms of the manifestation of the signs of "total root yield" and "vitamin C content in roots" exceeded the standard standard Ruby. in terms of adaptive potential. Key words: radish, yield, genotype, biochemical composition, adaptive ability.
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Aminova, A. L., and I. F. Yumaguzin. "Efficiency of using bioregulators depending on the system and method of keeping of cows." Agrarian science, no. 3 (May 5, 2022): 9–13. http://dx.doi.org/10.32634/0869-8155-2022-357-3-9-13.

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Relevance. For the reproduction of the breeding stock of cattle, the conditions of detention should maximally meet the optimal conditions for the life of animals. In this regard, the study of the characteristics of physiological changes after injections of bioregulators to induce estrus in cows under various systems and methods of keeping is of great importance and is an important area of research. The purpose of the work is to study the reproductive function of cows depending on age and various conditions of keeping.Methods. The results of the work are based on analytical, biometric, statistical methods and the authors’ own research.Results. In studies was found that a general decrease in the effectiveness of the use of GnRH analogs and hCG to increase fertility can occur due to treatments carried out in the summer months. The greatest effect of the use of GnRH and hCG preparations should be expected when they are introduced in parallel with insemination in induced estrus in the winter-spring and autumn-winter months. At the same time, the fertility rates in cows tethered were slightly higher in the stall-pasture system of keeping, and slightly lower in the camp-pasture system than in loose ones. When studying the reproductive function, depending on the number of lactations, as a result of the use of a complex of bioregulators, high indicators of cows that came into the hunt were obtained, from 74 to 91% of the total number of animals showed signs of estrus according to the different number of lactations. Cows with 1st and 2nd lactation have the highest rate for those who came into heat (91% and 87%) with the lowest insemination efficiency (47% and 49%, respectively). In cows of the 3rd and 4th lactations, the highest adjustment to the restoration of the ovarian cycle is observed, with the average indicators of those who came to the hunt, the highest insemination efficiency was subsequently obtained (70 and 75%, respectively). For three or more months after calving, more than half of the herd of calving cows (71.6%) were fruitfully inseminated.
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Kalmykova, Elena Vladimirovna, Petr Anatolievich Kuzmin, Kristina Andreevna Melnik, and Daria Vladimirovna Sapronova. "Comprehensive evaluation of Robinia Pseudoacacia L. seedlings in an irrigated nursery for use in forestry and gardening in the lower Volga region." Agrarian Scientific Journal, no. 11 (November 25, 2022): 38–42. http://dx.doi.org/10.28983/asj.y2022i11pp38-42.

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The generic complex of Robinia is a fundamental and key component for urbanized and agroforestry zones. Robinia pseudoacacia L. is widely used in landscaping and protective forest plantations. Planting material has sufficient stability and durability. The studies were carried out in the nursery of the Nizhnevolzhskaya Station for tree species breeding (No. 34:36:0000:14:0178) by field stationary and laboratory methods using generally recognized methodological schemes for organizing work and constructing samples, statistical processing of primary information and analysis of variance were carried out according to generally accepted methods. The object was seedlings of the same age of Robinia pseudoacacia L. The purpose of the study was to substantiate the biometric characteristics of seedlings of Robinia pseudoacacia L. to assess the potential reclamation and decorative functions of plantations in the dry steppe conditions of the Lower Volga region. Physiological indicators of the breed have been established to determine the level of stability of the generic complex Robinia. The reaction of the pigment complex of robin plantations in the conditions of the Volgograd region was revealed. The stock of nodule bacteria Robinia pseudoacacia L at the end of the juvenile period was determined. Robinia plants are in optimal condition, actively carry out metabolic processes and protein synthesis and do not experience nitrogen deficiency (at the level of 18.4 ± 0.3), which indicates a sufficient level of nitrogen nutrition, active synthesis of metabolites, active growth and development plants. During the first year of vegetation, a specific reaction of Robinia was shown at the morpho-physiological level. Plants form a good growth, a high mass of roots and aerial mass, contribute to an active entry into symbiotic relationships with nitrogen-fixing bacteria, contain a sufficient amount of chlorophylls, flavonoids, xanthophylls. This plantation planting material of Robinia pseudoacacia L. of seed origin is recommended for creating highly productive protective plantings and plantings of greenery for various purposes in settlements and beyond in the Lower Volga region.
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Cherchel, V. Yu, and O. L. Gaidash. "ОЦІНКА АДАПТИВНОЇ ЗДАТНОСТІ ТА ЕКОЛОГІЧНОЇ СТАБІЛЬНОСТІ СКОРОСТИГЛИХ ГІБРИДІВ КУКУРУДЗИ (ZEA MAYS L.) В КОНТРАСТНИХ УМОВАХ ВИПРОБУВАННЯ." Biological Bulletin of Bogdan Chmelnitskiy Melitopol State Pedagogical University 6, no. 3 (September 27, 2016): 18–25. http://dx.doi.org/10.15421/201665.

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<p><strong>Objective.</strong> Assessment of adaptive ability and environmental stability of new early-season maize hybrids created on the basis of inbred lines of hybrid germplasm and alternative germplasms was performed. <strong>Methods.</strong> Field, mathematical, and statistical. <strong>Results.</strong> The results revealed parameters of an adaptive capacity and environmental stability of 11 new inbred maize lines when testing their testcrosses obtained based on 3 testers. The DK285, DK265 and DK412 constant lines, the testcrosses of which had the highest average grain yield (5.49; 5.38; 5.25 t/ha respectively) were distinguished during the research period and they were characterized by high total adaptive capacity (1.48; 1,14; 0.75 respectively) with an intensive and plastic type of response to the variability of growing conditions. It was determined that Cross 267C sister hybrid was distinguished among the tester genotypes by the high values of the effects of the overall adaptive capacity (1.19) and the highest average yield of testcrosses (5.11 t/ha).</p><p><strong>Conclusions</strong>. We observed strong fluctuations in the average yield of grain from 1.96 to 8.13 t/ha during the study period. The level of manifestation of breeding characteristics and parameters of the ecological stability of genotypes depended on weather conditions which changed drastically during the study period and often negatively affected the assessment of genotypes. The high gradient variability of the test environments revealed a significant dependence of the stability-indicating parameters on the productivity of testcrosses. The correlation analysis showed the dependence of the hybrids productivity on the level of implementation of biometric indices of the plant under steppe conditions.</p>
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Dissertations / Theses on the topic "Biometry; Breeding – Statistical methods"

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Thompson, Robin. "Statistical methods and applications to animal breeding." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/30836.

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This thesis comprises a collection of 39 research papers divided into three groups. The first group is entitled 'Statistical Methods, including variance component estimation with general application'. The second group report on 'Application of statistical methods to animal breeding studies'. The last group 'Experimental Studies' reports on studies on animal breeding data in beef and dairy cattle. The major theme of Group I is variance component estimation and the introduction of a method, now known as REML (Residual Maximum Likelihood) that unifies the area. The method was introduced for the analysis of incomplete block designs with unequal block size but was found to have important applications in the analysis of groups of trials, time-series, multivariate data and detecting outliers. The work on variance components has applications to animal breeding and is discussed in Group II. Papers discuss efficient designs for estimation of genetic parameters, including heritability, maternal and multivariate genetic parameters. These designs can lead to substantial reductions in the variances of the parameters over classical designs. It is shown that REML can be applied in certain circumstances when there is selection of animals. Links between variance estimation and best linear unbiased prediction are explored. Methods of prediction, estimation of genetic parameters and optimal designs are given for non-normal data. The last group includes reports on the comparison of breeds and cross-breeding in beef cattle in Zambia. Other studies include estimating the genetic relationship between beef can dairy characters in british Friesian cattle. The validity of models used in dairy sire evaluation are investigated including the heterogenity of heritability of milk yield at different levels of production and a novel method for taking account of environmental variation within herds.
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Batidzirai, Jesca Mercy. "Randomization in a two armed clinical trial: an overview of different randomization techniques." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/395.

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Randomization is the key element of any sensible clinical trial. It is the only way we can be sure that the patients have been allocated into the treatment groups without bias and that the treatment groups are almost similar before the start of the trial. The randomization schemes used to allocate patients into the treatment groups play a role in achieving this goal. This study uses SAS simulations to do categorical data analysis and comparison of differences between two main randomization schemes namely unrestricted and restricted randomization in dental studies where there are small samples, i.e. simple randomization and the minimization method respectively. Results show that minimization produces almost equally sized treatment groups, but simple randomization is weak in balancing prognostic factors. Nevertheless, simple randomization can also produce balanced groups even in small samples, by chance. Statistical power is also improved when minimization is used than in simple randomization, but bigger samples might be needed to boost the power.
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Wong, Chun-mei May, and 王春美. "Multilevel models for survival analysis in dental research." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B3637216X.

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李友榮 and Yau-wing Lee. "Modelling multivariate survival data using semiparametric models." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B4257528X.

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Long, Yongxian, and 龙泳先. "Semiparametric analysis of interval censored survival data." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B45541152.

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Yeatts, Sharon Dziuba. "Statistical Methods and Experimental Design for Inference Regarding Dose and/or Interaction Thresholds Along a Fixed-Ratio Ray." VCU Scholars Compass, 2006. http://hdl.handle.net/10156/1956.

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Buntaran, Harimurti [Verfasser], and Hans-Peter [Akademischer Betreuer] Piepho. "Statistical methods for analysis of multienvironment trials in plant breeding : accuracy and precision / Harimurti Buntaran ; Betreuer: Hans-Peter Piepho." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2021. http://nbn-resolving.de/urn:nbn:de:bsz:100-opus-19265.

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Forster, Jeri E. "Varying-coefficient models for longitudinal data : piecewise-continuous, flexible, mixed-effects models and methods for analyzing data with nonignorable dropout /." Connect to full text via ProQuest. Limited to UCD Anschutz Medical Campus, 2006.

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Thesis (Ph.D. in Biostatistics) -- University of Colorado at Denver and Health Sciences Center, 2006.
Typescript. Includes bibliographical references (leaves 72-75). Free to UCD Anschutz Medical Campus. Online version available via ProQuest Digital Dissertations;
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Gates, Peter J. "Analyzing categorical traits in domestic animal data collected in the field /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5473-5.pdf.

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Pook, Torsten [Verfasser], Henner [Akademischer Betreuer] Simianer, Henner [Gutachter] Simianer, Timothy Mathes [Gutachter] Beissinger, and Hans-Peter [Gutachter] Piepho. "Methods and software to enhance statistical analysis in large scale problems in breeding and quantitative genetics / Torsten Pook ; Gutachter: Henner Simianer, Timothy Mathes Beissinger, Hans-Peter Piepho ; Betreuer: Henner Simianer." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019. http://d-nb.info/1199608254/34.

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Books on the topic "Biometry; Breeding – Statistical methods"

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Stephane, Heritier, ed. Robust methods in biostatistics. Chichester, West Sussex: J. Wiley, 2009.

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Schuckers, Michael E. Computational methods in biometric authentication: Statistical methods for performance evaluation. London: Springer, 2010.

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Statistical genetics. New York: Wiley, 1993.

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Statistical methods in biology. 3rd ed. Cambridge [England]: Cambridge University Press, 1995.

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Prem, Narain. Statistical genetics. New York: Wiley, 1990.

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Practical biostatistical methods. Belmont, Calif., USA: Duxbury Press, 1995.

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Laar, Anthonie Van. Forest biometry. [Stellenbosch]: University of Stellenbosch, 1991.

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Statistical methods for clinical trials. New York: M. Dekker, 2001.

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Kim, Jay S. Biostatistics for oral healthcare. Ames, Iowa: Blackwell Munksgaard, 2008.

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Statistical models and methods for lifetime data. 2nd ed. Hoboken, N.J: Wiley-Interscience, 2003.

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Book chapters on the topic "Biometry; Breeding – Statistical methods"

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Mead, R. "Design of plant breeding trials." In Statistical Methods for Plant Variety Evaluation, 40–67. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1503-9_4.

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Xu, Shizhong. "Advanced Statistical Methods for Estimating Genetic Variances in Plants." In Plant Breeding Reviews, 113–63. Oxford, UK: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470650202.ch3.

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Gianola, D., S. Im, and F. W. Macedo. "A Framework for Prediction of Breeding Value." In Advances in Statistical Methods for Genetic Improvement of Livestock, 210–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74487-7_11.

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Thompson, R. "Generalized Linear Models and Applications to Animal Breeding." In Advances in Statistical Methods for Genetic Improvement of Livestock, 312–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74487-7_14.

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Smith, S. P. "Survival, Endurance and Censored Observations in Animal Breeding." In Advances in Statistical Methods for Genetic Improvement of Livestock, 344–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74487-7_16.

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Hill, W. G. "Considerations in the Design of Animal Breeding Experiments." In Advances in Statistical Methods for Genetic Improvement of Livestock, 59–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74487-7_4.

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Foulley, J. L., D. Gianola, and S. Im. "Genetic Evaluation for Discrete Polygenic Traits in Animal Breeding." In Advances in Statistical Methods for Genetic Improvement of Livestock, 361–409. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74487-7_17.

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Dempfle, L. "Problems in the Use of the Relationship Matrix in Animal Breeding." In Advances in Statistical Methods for Genetic Improvement of Livestock, 454–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74487-7_20.

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Montesinos López, Osval Antonio, Abelardo Montesinos López, and Jose Crossa. "Random Forest for Genomic Prediction." In Multivariate Statistical Machine Learning Methods for Genomic Prediction, 633–81. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-89010-0_15.

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AbstractWe give a detailed description of random forest and exemplify its use with data from plant breeding and genomic selection. The motivations for using random forest in genomic-enabled prediction are explained. Then we describe the process of building decision trees, which are a key component for building random forest models. We give (1) the random forest algorithm, (2) the main hyperparameters that need to be tuned, and (3) different splitting rules that are key for implementing random forest models for continuous, binary, categorical, and count response variables. In addition, many examples are provided for training random forest models with different types of response variables with plant breeding data. The random forest algorithm for multivariate outcomes is provided and its most popular splitting rules are also explained. In this case, some examples are provided for illustrating its implementation even with mixed outcomes (continuous, binary, and categorical). Final comments about the pros and cons of random forest are provided.
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Dempfle, L. "Statistical Aspects of Design of Animal Breeding Programs: A Comparison Among Various Selection Strategies." In Advances in Statistical Methods for Genetic Improvement of Livestock, 98–117. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74487-7_6.

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Conference papers on the topic "Biometry; Breeding – Statistical methods"

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Руда, М. Г. "Legal regulation of the use of biological collections as a "pillar" of genetic research." In XXIII Международная научная конференция «Цивилизация знаний: российские реалии» «Цивилизационные задачи современного правоведения: наука, образование, практика» (стратегическая панель). Crossref, 2022. http://dx.doi.org/10.18137/cz22.2022.65.55.001.

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В статье рассматриваются изменения, произошедшие под воздействием механизмов глобализации и интеграции. В первую очередь, это отразилось в изменении вектора эволюции основных тенденций использования материала биологических коллекций как «фундамента» генетических исследований в различных областях науки и практики. К ним относятся, в частности, исследования биологического разнообразия и оценка негативного антропогенного воздействия на окружающую среду. Кроме того, с помощью прогностического, статистического и аксиологического методов сделан ряд важных выводов о возможных последствиях такого воздействия и путях его минимизации. Эти выводы следуют из анализа перечня сопутствующих факторов: социологического, экономического, политического. Более того, изучено влияние данных аспектов на реализацию таких базовых прав человека, как право на получение достоверной информации и право на благоприятную окружающую среду, которые, в свою очередь тесно взаимосвязаны с реализацией государственными органами мероприятий, направленных на повышение качества и уровня жизни населения Российской Федерации. Кроме того, коллекции также рассмотрены как основной источник информации в палеонтологических, археологических, селекционных исследованиях, которые позволяют в долгосрочной перспективе обеспечить биологическую и продовольственную безопасность и эффективное развитие аграрно-промышленного комплекса РФ. Необходимо также отметить стремительно растущий потенциал коллекций биологического материала человека в генетической генеалогии, исследовании ряда заболеваний (например, онкологических), а также механизма генетического редактирования CRISPR CaS-9, так называемых «генетических ножниц». The article deals with the changes that have taken place under the influence of globalization and integration mechanisms. First of all, it is reflected in the change of the vector of evolution of the main trends in the use of biological collections as the "foundation" of genetic research in various fields of science and practice. These include, in particular, studies of biodiversity and assessment of the negative anthropogenic impact on the environment. In addition, using predictive, statistical, and axiological methods, a number of important conclusions about the possible consequences of such impacts and the ways to minimize them are made. These conclusions follow from the analysis of the list of related factors: sociological, economic, political. Moreover, the influence of these aspects on the realization of such basic human rights as the right to reliable information and the right to a favorable environment, which, in turn, are closely interconnected with the implementation by state authorities of measures aimed at improving the quality and standard of living of the population of the Russian Federation, is studied. Besides, the collections are also considered as the main source of information in paleontological, archeological, breeding studies, which allow in the long term to ensure biological and food security and effective development of the agricultural complex of the Russian Federation. It is also necessary to note the rapidly growing potential of collections of human biological material in genetic genealogy, the study of a number of diseases (e.g., cancer), as well as the mechanism of CRISPR CaS-9 genetic editing, the so-called "genetic scissors".
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