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Dissertations / Theses on the topic 'Dairy animals'

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1

Gonzalez, Esquivel Carlos Ernesto. "Evaluation of suitability in dairy cattle production systems." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286689.

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2

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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3

Rind, Muhammad Ismail. "Social effects on the feeding behaviour and production of dairy cows." Thesis, Bangor University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240136.

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4

Birnie, Jonathan William. "Factors affecting the fasting heat production of non-lactating dairy cattle." Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301773.

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5

Kitwood, Sarah Elizabeth. "Studies of the relationship between nutrition and fertililty in the dairy cow." Thesis, Bangor University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.291719.

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6

Zobel, Gosia Anna. "Understanding the welfare of dairy animals during the transition between lactations." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/52350.

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The cessation of milking, or dry off, is a regular management practice in dairy animals. This practice initiates a non lactating, or dry, period. Milking begins again after parturition. Provision of a dry period is done largely to improve milk production in the subsequent lactation, but also to address udder health issues (intramammary infections); therefore, the majority of literature focuses on these areas, and little consideration is given to the welfare of the individual animal. The goals of this thesis were to develop a better understanding of how common dry off methods, and the dry perio
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7

Almeida, Virgilio da Silva. "The development of animal health services for smallholder dairy farmers in northwest Portugal." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306745.

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8

Dennison, Sheila Ganson Copley. "The development of behaviour patterns and an assessment of temperament of dairy heifers." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/27896.

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The main aims of this study were 1) to describe the development of behavioural patterns in dairy heifers, 2) to investigate individual differences in behaviour and temperament, 3) to assess the temperament of each during milking and 4) to determine whether measures of early behaviour are related to temperament at a later age or to production measurements. Time based focal animal samples of twenty Friesian heifer calves over a period of two years recorded the activity of the calf and its nearest neighbour. A study of beef suckler calves reared with their dams was available for comparison of ear
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9

Cooper, Marc Damien. "The behavioural need for lying and feeding in the high yielding dairy cow." Thesis, Open University, 2003. http://oro.open.ac.uk/54158/.

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Experiments were conducted to examine the impact of high milk yields on the behaviour and welfare of dairy cows. A preliminary study determined the social interactions existing within a group of 60 cows from which sub-samples of 20 high and 20 low yielding cows, that were not observed to interact with each other, were identified. These cows were used to examine the behavioural strategies employed by dairy cows coping with increased nutritional demands from milk production. Grazing time significantly increased with milk yield, consequently reducing lying time. A second study measured the appeti
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10

Lees, J. A. "Influence of level and source of dietary protein on milk production in dairy cows." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370564.

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11

Sloan, B. K. "The influence of concentrate protein and energy source on performance of the dairy cow." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370634.

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12

Cromie, Andrew Robert. "Genotype by environment interaction for milk production traits in Holstein Friesian dairy cattle in Ireland." Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287404.

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13

Henderson, Anna Rosalind. "Protein synthesis and synchrony of nutrient release in the rumen of the lactating dairy cow." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286248.

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14

Unal, Yucel. "Estimation of feed intake by housed dairy cows using alkanes and near infrared reflectance spectroscopy." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285459.

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15

Benson, Judith Ann. "Relationships between splanchnic nutrient and hormone metabolism and intake in dairy cows supplemented with fat." Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301972.

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16

McCullough, Kathryn E. "Dairy Cow Activity as a Potential Management Tool for Detection of Clinical Mastitis." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1437652709.

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17

Kabuga, Joseph Dabien. "Sources of variation in voluntary feed intake and nutrient utilization for milk production of dairy cows." Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/28319.

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18

McIlmoyle, D. G. "The effect of dietary inclusion of fodder beet on feed utilization and performance of dairy cattle." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390884.

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19

Ramkumar, S. N. "The analysis of farmer information systems for feeding dairy cattle in two villages of Kerala State, India." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240285.

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20

Lindström, Tina. "Feeding behaviour in dairy cows : motivational aspects /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5761-0.pdf.

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21

Loberg, Jenny M. "Behaviour of foster cows and calves in dairy production : acceptance of calves, cow-calf interactions and weaning /." Uppsala : Dept. of Animal Environment and Health, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/2007122.pdf.

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22

Faulkner, Mathew J. "Effects of Trace Mineral Supplementation in Lactating Dairy Cattle." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1467628749.

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23

Pulido, Ruben G. "Interaction of pasture condition, concentrate supplementation and milk yield level in relation to dairy cow performance and behaviour." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311536.

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24

Agnew, Keith William. "An examination of the effects of diet and feeding on the composition of milk of lactating dairy cows." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317491.

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25

Winter, Alice. "The behaviour and modification of inherent behaviour patterns of dairy cows under frequent and automatic milking management systems." Thesis, University of Reading, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357997.

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26

Muinga, Rahab W. "Nutrition and performance of dairy cows in coastal lowland Kenya in relation to utilization of local feed resources." Thesis, University of Aberdeen, 1992. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU547034.

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The utilization of Pennisetum purpureum (Napier grass var Bana) based diets and the lactation performance of dairy cows in coastal lowland Kenya was studied in a series of five experiments. In experiments 1 and 2, the effects of 300g/day additional crude protein from locally available fishmeal, copra cake and Leucaena were compared using Jersey cows fed ad libitum Napier grass. Experiment 1 carried out in early lactation, showed that supplements (fishmeal or copra cake) could increase dry matter DM intake, reduce live-weight loss and increase (P< 0.05) milk output (7.8 v 6.4kg/day) with no dif
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27

Doherty, John Gerard. "The effect of differences in silage fermentation and concentrate source on rumen and milk production parameters in dairy cows." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241388.

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28

Bertenshaw, Catherine E. "The influence of positive human-animal interaction during rearing on the welfare and subsequent production of the dairy heifer." Thesis, University of Newcastle Upon Tyne, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270800.

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29

Williams, Jennifer Mae. "More Plants, Less Animals| Reducing Beef and Dairy Consumption as a Water Conservation Choice." Thesis, Northern Arizona University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10641069.

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<p> The purpose of this study was to develop a better understanding of water-conscious residents&rsquo; thought processes that may lead to behavioral and attitudinal changes when introduced to information that increased their awareness of the amount of water used by the beef and dairy industry in Arizona. A total liberation framework rooted in critical animal studies provided the theoretical foundation for explaining how speciesism and carnism support the power structures of the animal industrial complex and how cognitive dissonance theory may affect future efforts toward engaging more people
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30

Abate, Augusta Njoki. "Nutritive value of maize forage silage fed to dairy cows for an integrated system of grain and milk production in Kenya." Thesis, University of Aberdeen, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315031.

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Three experiments were carried out to determine i) the quantity and composition of maize forage harvested at different stages of growth, ii) the effect on the milk yield of dairy cows fed on maize forage silages harvested at two stages of maturity together with two levels of dairy concentrate, iii) the effect of supplementing early and late cut silages with either dairy concentrate or cottonseed cake on dry matter intake and milk yield of dairy cows. Forage dry matter yield showed a small non-significant increase with advancing maturity. The contents of dry matter, ash, acid detergent fibre an
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31

Swanepoel, Nadia. "Estimating amino acid limitations in California dairy rations and the effect of feeding a ruminally protected lysine supplement on animal performance." Diss., Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-08122009-203115.

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32

Kashani, Alireza. "Factors affecting the availability and appropriateness of technology for dairy farmers in Golypayegan, Iran : a study of the Agricultural Information System (AIS)." Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301969.

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33

Burgess, Diane Elizabeth. "Determining Society's values for programmes to improve the welfare of farm animals in the UK." Thesis, Queen's University Belfast, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343091.

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34

Azizan, A. R. "The effect of a prolonged release formulation of bovine somatotropin (sometribove) on milk production of Bos Taurus and dairy crossbred cows in Malaysia." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294565.

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35

Hernandez-Mendo, Omar. "Effect of combining grazing with different periods of access to a maize silage-based diet indoors on performance and behaviour of lactating dairy cows." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269694.

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36

Bahman, Abdul-Redha Majeed. "Comparisons of date-palm leaves with barley straw and brackish water with fresh water for dairy cows given a high concentrate diet in Kuwait." Thesis, University of Aberdeen, 1991. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602309.

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The main objectives of the work described in this thesis were to determine the technical feasibility of utilising date palm leaves as a potential source of roughage, and to study the effects of providing brackish water as a source of drinking water for dairy cows. Additionally, to investigate the effect of feeding a high concentrate diet on the performance of Friesian cows. Four experiments were performed during the course of three years (November 1988 - June 1991). Three experiments were carried out in Kuwait and one in the North of Scotland. Experiment 1 was designed to compare the effects o
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37

Bluel, Reagan J. Vogel. "The effects of supplemental anionic salts & yeast culture on the production of dairy cattle during the periparturient period." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4638.

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Thesis (M.S.) University of Missouri-Columbia, 2006.<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 August 21, 2007) Vita. Includes bibliographical references.
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38

Adhikari, Bijay. "Transmission and epidemiology of Salmonella enterica in commercial dairy farms in Washington State." Online access for everyone, 2008. http://www.dissertations.wsu.edu/Dissertations/Summer2008/b_adhikari_060308.pdf.

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39

Zimov, Jennifer Laura. "Behavioral and Physiological Responses To Lipopolysaccharide Induced Clinical Mastitis." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1253132975.

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40

Li, Yihang Kaltenboeck Bernhard. "Therapeutic vaccines against chlamydial diseases." Auburn, Ala., 2008. http://hdl.handle.net/10415/1417.

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41

Khachatryan, Artashes Ruben. "Mechanisms responsible for the maintenance of high prevalence of antimicrobial drug resistant Escherichia coli in dairy calves." Online access for everyone, 2005. http://www.dissertations.wsu.edu/Dissertations/Fall2005/a%5Fkhachatryan%5F121205.pdf.

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42

Leclerc, Hélène. "Effects on manipulating the anion-cation balance in rations for prepartum dairy cows on hypocalcemic parturient paresis." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65421.

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43

Bazzoli, Ilario. "Production and economic traits of purebreed and crossbred animals in diary herds of mountain areas." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3423058.

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Beef production from dairy herds represents an alternative source to improve the farm profitability. The use of beef semen to mate cattle not destined to breed replacement represent an interesting source of income for dairy farmers particularly due to the greater price and value of crossbreed calves respect purebred calves at sale. Unfortunately this practice has been decreasing in the last years in the more specialized herds of the Po valley mainly due to fertility and longevity problems of the high productivity dairy cattle. However, on the mountain area, were farms are characterized by less
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44

Salfen, Brent Edward. "Effect of the dominant ovarian follicle on the establishment and regulation of postpartum estrous cycles in dairy and beef animals /." free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9974683.

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45

Newman, Kari A. "Factors Affecting Lactoferrin Concentration at Drying Off and Infection Status at Calving in Dairy Cows on an Intermittent Milking Schedule Prior to Drying Off." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1221510039.

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46

Nyman, Ann-Kristin. "Epidemiological studies of risk factors for bovine mastitis /." Uppsala : Dept. of Clinical Sciences, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200780.pdf.

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47

Delaquis, Annick Marie. "The effects of dietary cation-anion balance, stage of lactation and ration ingredients on acid base metabolism and productivity of dairy cows." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39420.

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Experiments were conducted to investigate the effects of formulating rations using different ingredients and of manipulating the cation-anion balance of the rations on production, acid-base status, metabolism of macrominerals and renal function of dairy cows. The effects of dietary cation-anion balance were studied during early, mid and late lactation as well as during the dry period. Feeding an alfalfa-haylage based diet vs a corn silage based diet, both having the same cation-anion balance did not affect the voluntary consumption, milk yield or milk composition of cows in early lactation. Th
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48

Danés, Marina de Arruda Camargo. "Teor de proteína no concentrado de vacas em lactação mantidas em pastagens de capim elefante." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-21102010-155355/.

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As práticas de manejo das pastagens tropicais recomendadas para utilização intensiva da planta permitem ao animal colher material de boa qualidade. O objetivo do trabalho foi avaliar se a proteína bruta (PB) proveniente do capim seria suficiente para atender as exigências de vacas leiteiras no terço médio da lactação, tornando desnecessária a utilização de suplementos protéicos no concentrado. Buscou-se também a caracterização da PB do capim e a adequação protéica da dieta, visando otimizar a eficiência de utilização do nitrogênio. No primeiro estudo, 33 vacas holandesas e mestiças (HPBxJersey
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49

Lorenzi, V. "PATHOGENIC ESCHERICHIA COLI:GENETIC CHARACTERIZATION OF STRAINS ISOLATED FROM DOMESTIC ANIMALS AND POTENTIAL HUMAN HEALTH HAZARDS." Doctoral thesis, Università degli Studi di Milano, 2012. http://hdl.handle.net/2434/169567.

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Pathogenic Escherichia coli (E. coli) are one of the most important groups of bacteria causing diarrhea and extraintestinal infections in humans and animals. In particular, in farm animals diseases due to pathogenic E. coli strains are a recognized cause of strong economic losses and reduction of animal welfare. Moreover, farm animals, especially cattle, are an identified source of zoonotic E. coli strains, such as Shiga-toxin producing E. coli (STEC), which are responsible of serious human illnesses. In this thesis both the roles of E. coli (E. coli as an animal pathogen and E. coli as a zoon
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50

Pieterse, Reneé. "Control of bacterial pathogens associated with mastitis in dairy cows with natural antimicrobial peptides produced by lactic acid bacteria /." Link to the online version, 2008. http://hdl.handle.net/10019/891.

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