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Dissertations / Theses on the topic 'Animal breeding'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Olujohungbe, A. A. "Early breeding of beef heifers." Thesis, University of Reading, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374030.

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2

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 a

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3

Sinclair, Anna Grace. "Genotype-nutrition interactions in breeding sows." Thesis, University of Aberdeen, 1997. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU090362.

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The interaction effects of genotype and nutrition on the performance of sows during lactation is still poorly understood; this series of experiments explored the factors contributing to breed differences in lactational performance and the development of appropriate feeding strategies. Two extreme types of sow were used in these experiments; lean pure-bred White sows (W: Large White and Landrace) and a prolific but fatter Meishan synthetic damline (M: 50% Meishan genes). M sows had higher numbers of piglets, a different feed intake curve and produced more milk with a higher fat content compared

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4

Taylor, Eric Clayton. "Reproductive parameters of dorper ewes during the breeding and non-breeding seasons in south Texas." Thesis, Texas A&M University - Kingsville, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1590222.

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<p> There have been many changes in the United States sheep industry over the years. Decreasing profitability of wool production has shifted the focus of many producers to strictly meat production. In south Texas, extreme high summer temperatures add an additional challenge in raising wool breeds of sheep. Hair sheep are gaining popularity in lamb-only production systems as they are more adapted to hot climates and eliminate shearing costs. The Dorper is the most popular breed of hair sheep throughout Texas due to superior lamb carcasses. Maximizing reproductive efficiency is critical for incr

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5

Said, S. I. "Animal breeding in relation to fitness of quantitative characters." Thesis, University of Manchester, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374592.

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6

Roden, Janet A. "Simulation studies of nucleus breeding systems for sheep improvement." Thesis, University of Aberdeen, 1993. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU053530.

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The genetic outcome of operating an open nucleus system (ONS) in a population of 1200 sheep divided into individual flocks, was investigatd using simulation techniques, and a comparison to alternative breeding systems was made. Selection was for best linear unbiased prediction of breeding value (EBV) for a trait measurable on individuals before selection. Migration of animals between flocks was based on the EBV. The results of stochastic simulations indicated that, compared to selection within closed flocks (CF), the annual genetic gain could be increased by 25 to 40 per cent if an ONS was ope

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7

Chauhan, Vijay Pal Singh. "Environmental adjustments in estimation of breeding value of dairy sires." Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/14443.

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8

Gebbie, Fiona E. "Control of seasonal breeding and coat development in the goat." Thesis, University of Surrey, 1993. http://epubs.surrey.ac.uk/2747/.

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The aim of this work was to study the interaction of melatonin and prolactin in the control of seasonal breeding and coat development in goats. British Saanen goats (n=5) were maintained for 8 weeks in long days (20L: 40) followed by 8 weeks exogenous melatonin. Group treatment was staggered over the year in an attempt to dissociate breeding season advance from advanced coat growth. To assess the effect of prolactin suppression, the 20L:4D treatment from January was repeated in consecutive years but followed in March by melatonin (Year 1) or bromocriptine (Year 2). To study further the interac

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9

Roberts, Robert Caradog. "Studies in quantitative inheritance and their implications for animal breeding." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/14300.

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10

Nishio, Motohide. "Efficient strategies for using molecular information in animal breeding programs." Kyoto University, 2011. http://hdl.handle.net/2433/152022.

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Kyoto University (京都大学)<br>0048<br>新制・論文博士<br>博士(農学)<br>乙第12591号<br>論農博第2756号<br>新制||農||994(附属図書館)<br>学位論文||H23||N4640(農学部図書室)<br>29080<br>京都大学農学研究科応用生物科学専攻<br>(主査)教授廣岡博之, 教授祝前博明, 教授今井裕<br>学位規則第４条第２項該当

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11

Bateman, Sylvia Mary. "The potential of melatonin of GnRh for advancing seasonal breeding in rams." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335609.

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12

Lenz, Stefanie, and Halla Victorsdóttir. "Revealing Complexities : Subsistence Sector Animal Farming, Animal Advocacy and Gender Analysis: Chances for Development in Northern Mozambique?" Thesis, Linnéuniversitetet, Institutionen för samhällsstudier (SS), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-36048.

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In Mozambique, 80 per cent of the people rely on farming for their livelihood. The majority of them are small-scale and subsistence farmers. In spite of high GDP and agricultural growth rates, the majority of Mozambicans in rural areas remain below the poverty line. Even though many subsistence farmers in Ribáuè District own animals, programmes and policies for development are aimed at commercialization in medium- and large-scale sector animal farming. We found a lack of attention given to family sector animal breeding as a development factor in Ribáuè. Over the course of five weeks, we engag

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13

Neves, Haroldo Henrique de Rezende [UNESP]. "Strategies to improve the efficiency of genomic selection in animal breeding programs." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/102766.

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Made available in DSpace on 2014-06-11T19:32:15Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-09-12Bitstream added on 2014-06-13T20:43:05Z : No. of bitstreams: 1 000736380.pdf: 3145920 bytes, checksum: eb9040463ecaf8a423ca7772cda63410 (MD5)<br>Esta tese compreende quatro diferentes estudos conduzidos a fim de avaliar estratégias alternativas para aumentar a eficiência de seleção genômica (GS) em programas de melhoramento animal. Um primeiro estudo foi desenvolvido com a finalidade de avaliar a performance preditiva de diferentes métodos estatísticos com base na informação de painéis

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14

Neves, Haroldo Henrique de Rezende. "Strategies to improve the efficiency of genomic selection in animal breeding programs /." Jaboticabal, 2013. http://hdl.handle.net/11449/102766.

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Orientador: Sandra Aidar de Queiroz<br>Coorientador: Roberto Carvalheiro<br>Banca: Fernando Sebastián Baldi Rey<br>Banca: Rúsbel Raúl Aspilcueta Borquis<br>Banca: Fernanda Brito<br>Banca: Fabyano Fonseca e Silva<br>Resumo: Esta tese compreende quatro diferentes estudos conduzidos a fim de avaliar estratégias alternativas para aumentar a eficiência de seleção genômica (GS) em programas de melhoramento animal. Um primeiro estudo foi desenvolvido com a finalidade de avaliar a performance preditiva de diferentes métodos estatísticos com base na informação de painéis de marcadores densamente distri

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15

Olivier, Theodore Riel. "Determination of the nutrient requirements of breeding ostriches." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4102.

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Thesis (MScAgric (Animal Sciences))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: The nutrient requirements for breeding ostriches are currently not well-defined. Quantification of the nutrient requirements will improve the financial wellbeing of the industry. A study of the growth of the reproductive organs and liver, together with various production studies, were therefore undertaken in order to gain knowledge about the nutrition of breeding ostriches, thereby quantifying the nutrient requirements of breeding ostriches. Various studies were conducted to determine the influence

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16

McLaren, Dorothy Kathleen. "By the book? : farming manuals, animal breeding and the English 'agricultural revolution'." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/31005.

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English pastoral husbandry has been largely neglected by previous historians. It is generally agreed that the mid-eighteenth century saw a revolution in breeding practices, moving livestock husbandry from hopeless confusion to a controlled, 'scientific' selection for marketable traits. The academicians, mostly economic historians, who have developed this model of pastoral history rely heavily upon farming manuals dating from the fifteenth to the eighteenth centuries for evidence of the changes they claim to perceive. Agricultural manuals are complex literary documents. However, in the current

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17

Brown, Christopher Mark. "The application of recently developed techniques to Welsh Black Cattle in a group breeding scheme." Thesis, Bangor University, 1990. https://research.bangor.ac.uk/portal/en/theses/the-application-of-recently-developed-techniques-to-welsh-black-cattle-in-a-group-breeding-scheme(01ac6838-eb2d-4b05-9927-01574b3b68e2).html.

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Methods of superovulation, embryo recovery and embryo transfer were adapted and developed for application to Welsh Black cattle in a Group Breeding scheme. Three methods of oestrus detection in early postpartum suckling beef cows were evaluated. None was entirely reliable although a probe for the measurement of the electrical resistance of vaginal mucus was the most effective and the least stressful. The postpartum interval to superovulation did not affect the responses to treatment. The effect of suckling on embryo quality from superovulated Welsh Black cows was investigated. Three groups of

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18

PALA, AKIN. "EFFECTS OF THREE TWICE-A-YEAR BREEDING SCHEDULES IN FOUR BREEDS OF SHEEP." NCSU, 2002. http://www.lib.ncsu.edu/theses/available/etd-20020107-161344.

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<p>PALA, AKIN. Effects of Three Twice-a-Year Breeding Schedules in Four Breeds of Sheep. (Under the direction of ODIS WAYNE ROBISON and ROGER LEE McCRAW).Straightbred populations of Dorset, Finnsheep, Composite I (50% Finnsheep, 25% Dorset, and 25% Rambouillet), and Composite II (50% Finnsheep, 25% Suffolk, and 25% Targhee) sheep were evaluated under three different twice-a-year breeding schedules. Ewes were exposed for 32 d starting on August 13 and February 5 for schedule I, on September 15 and March 10 for schedule II, and on October 22 and April 11 for schedule III. Approximately 100 ewes

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19

Real, Garcia Enric. "Influence of predictable anthropogenic food subsides on seabird´s breeding investment." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/668552.

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Recent policies on the ban of fishing discards and the closure of open-air landfills are expected to reduce amount of predictable anthropogenic food subsidies (PAFS) for seabirds. To forecast the ecological consequences of these policies, it is necessary to understand the influence that each of these resources has on ecological parameters and how this can be mediated by density-dependent mechanisms. Besides, for those species exploiting both types of resources, it is important to consider whether or not their effects act synergistically. Finally, it is also important to understand how the ecol

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20

Persson, Ylva. "Breeding soundness evaluation of young beef bulls /." Uppsala : Dept. of Clinical Sciences, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200718.pdf.

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21

Araghi, Mohammad. "The genetic analysis of a Suffolk group breeding scheme nucleus flock selected for lean meat production." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244058.

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22

Matjuda, Lehotlo Ephraim. "Development breeding objectives for the nguni cattle breed in South Africa." Thesis, University of Limpopo (Turfloop Campus), 2012. http://hdl.handle.net/10386/862.

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23

Pacheco, Leopoldo Arturo IV. "Nutritional and range management practices for breeding beef females." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/16806.

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Doctor of Philosophy<br>Department of Animal Sciences and Industry<br>KC Olson<br>The objective of this series of studies was to develop and improve methods of production in cow/calf operations of the Great Plains. Ultrasound measures of longissimus muscle depth (LMD) and intramuscular fat (IMF) of Angus × heifers were used to predict lifetime cow productivity. IMF and LMD were categorized into high, medium, and low groups (IMFG and LMDG, respectively). Cows in the high and medium LMDG had greater (P < 0.05) pregnancy rates than cows in the low LMDG. Calf BW at weaning increased (P < 0.05) as

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24

White, Angela Marie. "Evolutionary factors influencing cooperation in the communally breeding warthog." abstract and full text PDF (free order & download UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3320718.

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25

Kolmodin, Rebecka. "Reaction norms for the study of genotype by environment interaction in animal breeding /." Uppsala : Dept. of Animal Breeding and Genetics, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a437.pdf.

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26

Lázaro, Sirlene Fernandes. "Bayesian models for growth curves, censored data and visual scores in animal breeding." Universidade Federal de Viçosa, 2017. http://www.locus.ufv.br/handle/123456789/10519.

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Submitted by Marco Antônio de Ramos Chagas (mchagas@ufv.br) on 2017-06-05T12:16:46Z No. of bitstreams: 1 texto completo.pdf: 703091 bytes, checksum: 9eebe775cb64d1361ce4218f7f52572d (MD5)<br>Made available in DSpace on 2017-06-05T12:16:46Z (GMT). No. of bitstreams: 1 texto completo.pdf: 703091 bytes, checksum: 9eebe775cb64d1361ce4218f7f52572d (MD5) Previous issue date: 2017-02-22<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>No primeiro capitulo, foi proposto um estudo de associação genômica para curvas de crescimento de suínos utilizando modelos hierárquicos Bayesi

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27

Regosin, Jonathan V. "Terrestrial habitat use by pool-breeding amphibians in a suburban landscape /." Thesis, Connect to Dissertations & Theses @ Tufts University, 2003.

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Thesis (Ph.D.)--Tufts University, 2003.<br>Adviser: J. Michael Reed. Submitted to the Dept. of Biology. Includes bibliographical references (leaves 124-134). Access restricted to members of the Tufts University community. Also available via the World Wide Web;

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28

Kearney, John Francis. "Incorporation of new techniques in animal breeding programmes, with an emphasis on dairy cattle." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/28328.

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A study of the inbreeding of UK Holstein cows was undertaken to assess the current levels and trends in inbreeding in this breed. Results showed that inbreeding has increased at a rate of 0.17% per year and it continues to increase in a linear fashion. Optimisation procedures, which have been developed to maximise the rate of genetic gain at a predefined rate of inbreeding, were applied to determine is such procedures would be useful in a dairy cattle context. The results showed that the procedures were able to generate more genetic gain at current rates of inbreeding or alternatively to reduc

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29

Danial, Rioldi Emmanuela. "The influence of conservation breeding programs on animal communication and behaviour – a literary review." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-18338.

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Abstract This literary review is focused on how conservation breeding programs may influence an animal’s behaviour and communication and if this may affect reintroduction. The expansion of the human population is an increasing threat to all wild animals and their habitats. Animals are forced to survive in smaller areas and the worst case scenario is extinction. Animals communicate with each other using various types of signals to transmit information about their reproductive status, intentions, identity and their state of mind. Sexual selection can benefit these traits which improves the repr

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30

Aslaminejad, Ali Asghar. "Structure and genetic progress in the 'CAMDA' and 'Lleyn' group breeding schemes with special reference to sheep improvement in Iran." Thesis, University of Aberdeen, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327087.

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Two sheep group breeding schemes were considered in this study to examine the genetic progress made over a 20 year period and the success of running such schemes in practice. The data were records of lamb weaning weight in the CAMDA scheme (Welsh Mountain breed) and the Lleyn scheme (Lleyn breed), collected between 1976 and 1996. After the edits, a total of 31,161 records for the CAMDA and 29,090 records for the Lleyn scheme were available for the analyses. The estimates of the heritability of weaning weight for individual flocks were low to moderate. In the CAMDA scheme, the estimates of the

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31

Davis, Eloiza Marie. "Changes in genetic architecture in a 'captive breeding program" of Drosophila melanogaster." Diss., Online access via UMI:, 2009.

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32

Ahmad, Nazim. "A study of the control of luteal function in the sheep and goat." Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316651.

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33

Henriquez, Rodriguez Eliana. "Assessing the role of the stearoyl-CoA desaturase gene on the fatty acid profile of pork." Doctoral thesis, Universitat de Lleida, 2017. http://hdl.handle.net/10803/403065.

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This PhD dissertation is framed on a line of research aimed at improving pork quality and, particularly, intramuscular fat (IMF) and monounsaturated fatty acid (MUFA) content as two of the main traits affecting nutritional and sensorial pork attributes. Several strategies have been investigated to enhance IMF and MUFA without increasing the rest of fat depots, but one of the most promising approaches is to find out genetic markers specifically associated to them. There is a variant in the promoter of the stearoyl-CoA desaturase (SCD) gene (AY487830:g.2228T>C used as tag single nucleotide polym

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34

Hocking, Daniel J. "Gray treefrog breeding site selection and offspring performance in response to forest management." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/5103.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on October 26, 2007) Includes bibliographical references.

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35

Ingram, P. A. "Effects of genotype of beef cow and terminal sire on breeding herd performance and the growth rate and carcass characteristics of their progeny." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368572.

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36

Ahmad, Sausan. "Application of BLUP in prediction of breeding values and estimation of SNP effects in dairy cattle." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/12006/.

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Genetic selection for higher milk production has unavoidably resulted in a decline in fertility of dairy cattle in the UK due to the antagonistic correlation existing between fertility and milk yield. This trend in fertility has necessitated broadening the breeding programme to include fertility traits. However, the heritability of fertility traits currently used in the UK are of low heritability (h2<0.05). Therefore, one approach is to use molecular markers in order to identify animals with the highest genetic merit for fertility. The first aim of this project was therefore to test single nuc

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37

Carney, Katharine W. "Expression patterns and functional roles of amphiregulin in murine CD4+ T cells." Thesis, Royal Veterinary College (University of London), 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669191.

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38

Dennison, D. T. "A nutritional and financial evaluation of breeding African Grey parrots (Psittacus erithacus)." Thesis, Stellenbosch : University of Stellenbosch, 2004. http://hdl.handle.net/10019.1/2768.

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Thesis (MPhil (Animal Sciences))--University of Stellenbosch, 2004.<br>African Grey Parrots are now being bred on a commercial scale in South Africa, mainly for the export market. In order to produce the best breeding results it is necessary to formulate balanced diets but no research has been done on the feeding value for African Grey parrots of ingredients used in formulating diets. Once the apparent metabolisable energy (AME) of extruded maize for African Greys has been established it will be possible to calculate the AME of other ingredients such as full fat soya, soya oil cake or sunflowe

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39

Funaro, Antonietta <1982&gt. "Lipid quality and oxidative stability in food products from animal origin, as affected by breeding factor." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5830/1/Funaro_Antonietta_tesi.pdf.

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Nowadays it is requested more investigations on alternative rearing systems that are able to improve poultry welfare and to warrant high-quality and safe meat products. This thesis work was focused on the evaluation of the oxidative stability of poultry meats, obtained with different rearing systems, diets (supplemented with bioactive compounds), and packaging conditions. The thesis work was divided into the following parts: - Evaluation of the effects of different rearing systems on the quality, fatty acid composition and oxidative stability of poultry thigh and breast meat belonging to d

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Funaro, Antonietta <1982&gt. "Lipid quality and oxidative stability in food products from animal origin, as affected by breeding factor." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5830/.

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Nowadays it is requested more investigations on alternative rearing systems that are able to improve poultry welfare and to warrant high-quality and safe meat products. This thesis work was focused on the evaluation of the oxidative stability of poultry meats, obtained with different rearing systems, diets (supplemented with bioactive compounds), and packaging conditions. The thesis work was divided into the following parts: - Evaluation of the effects of different rearing systems on the quality, fatty acid composition and oxidative stability of poultry thigh and breast meat belonging to d

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41

Stucke, Benjamin James Stucke. "The Interaction between Within-Group and Neighborhood-Level Social Behavior ofCooperatively Breeding Organisms." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1532471182186053.

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42

Schmid, Rachel. "The influence of the breeding method on the behaviour of adult African grey parrots /." Bern : [s.n.], 2004. http://www.zb.unibe.ch/download/eldiss/04schmid_r.pdf.

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43

Muller, C. J. C. "Genetic parameter estimation and breeding plans for the South African dairy goat herd." Thesis, Link to the online version, 2005. http://hdl.handle.net/10019.1/1468.

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44

Collins, Philip. "The movement ecology of a breeding seabird : an investigation using accelerometry." Thesis, University of Roehampton, 2018. https://pure.roehampton.ac.uk/portal/en/studentthesis/The-movement-ecology-of-a-breeding-seabird(e36b8ee9-9f13-498e-93bd-6546910d9ce5).html.

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Animal movement is a ubiquitous process and can have consequences ranging from an individual’s energy expenditure to ecosystem dynamics. This study uses biologgers, primarily accelerometers, to record and examine the at-sea behaviours of black-legged kittiwakes (Rissa tridactyla) during their breeding period. Accelerometers record the acceleration of an instrumented animal to give an indication of their behaviour and movements, yet their output can be particularly difficult to interpret. As such, this thesis begins with a method developed for the assignation of coarse-scale behaviours to accel

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45

Do, Changhee. "Improvement in accuracy using records lacking sire information in the animal model." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/39430.

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46

Mercadante, Maria Eugênia Zerlotti. "Análise de um experimento de seleção para crescimento em bovinos nelore: respostas direta no peso ao sobreano e correlacionadas no tamanho e reprodução das matrizes." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-12052003-135023/.

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Foram estudados dados provenientes do experimento de seleção estabelecido na Estação Experimental de Zootecnia de Sertãozinho (IZ - SP), com o objetivo de avaliar a resposta direta no peso ao sobreano de machos e fêmeas e as respostas correlacionadas no tamanho e caracteres reprodutivos das matrizes. O experimento iniciou em 1978, com três rebanhos da raça Nelore, seleção (NeS), tradicional (NeT) e controle (NeC), sendo os dois primeiros selecionados para maior peso ao sobreano e o terceiro para a média deste peso. O NeT diferencia-se de NeS por ter recebido, eventualmente, touros de outros re

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47

Du, Manuel. "Stochastic simulation studies for honeybee breeding." Doctoral thesis, Humboldt-Universität zu Berlin, 2021. http://dx.doi.org/10.18452/22295.

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Die Arbeit beschreibt ein stochastisches Simulationsprogramm zur Modellierung von Honigbienenpopulationen unter Zuchtbedingungen. Dieses Programm wurde neu implementiert um unterschiedliche Selektionsstrategien zu evaluieren und zu optimieren. In einer ersten Studie wurde untersucht, inwiefern die Vorhersagen, die das Programm trifft, vom verwendeten genetischen Modell abhängt. Hierbei wurde festgestellt, dass das Finite-Locus-Modell dem Infinitesimalmodell in Langzeitstudien vorzuziehen ist. Eine zweite Studie beleuchtete die Bedeutung der sicheren Anpaarung auf Belegstellen für die Honigbien

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48

WOODWARD, ELIZABETH MORAN. "BREEDING INDUCED ENDOMETRITIS IN THE MARE: THE LOCAL INNATE IMMUNE RESPONSE." UKnowledge, 2012. http://uknowledge.uky.edu/gluck_etds/5.

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Uterine inflammation after breeding is considered necessary for the clearance of excess semen and debris from the uterus. A subpopulation of mares fails to clear the inflammation in a timely fashion, and develops a persistent breeding induced endometritis (PBIE). Experiments were preformed to evaluate correlations of PBIE to endometrial quality and age. Mares of advanced age and poor endometrial quality had a higher incidence of PBIE. In addition, mares fluctuated in susceptibility to PBIE from one season to the next. The uterine inflammatory gene expression in susceptible and resistant mares

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49

Holm, Dietmar Erik. "The economic effects of an oestrus synchronisation protocol using prostaglandin and reproductive tract scoring in beef heifers in South Africa." Electronic thesis, 2006. http://upetd.up.ac.za/thesis/available/etd-05042007-162414/.

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50

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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