Reproductive And Developmental Behaviour In Sheep
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Reproductive And Developmental Behaviour In Sheep
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Author : A.F. Fraser
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Reproductive And Developmental Behaviour In Sheep written by A.F. Fraser and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
Although intensive husbandry is increasingly applied to sheep, most sheep production around the world is still based on the extensive system. Under these conditions, attempts to improve productivity must take particular account of reproductive and developmental behaviour, as successful sheep production depends heavily on optimal reproduction and development. These topics are presented in this anthology of selected publications on sheep behaviour. The papers have been taken from ten years of Applied Animal Ethology (now Applied Animal Behaviour Science) from its inception in December 1974 to the end of its publication under that title in 1984.
Reproductive And Developmental Behaviour In Sheep
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Author : Andrew F. Fraser
language : en
Publisher:
Release Date : 1985
Reproductive And Developmental Behaviour In Sheep written by Andrew F. Fraser and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
The Behaviour Of Sheep
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Author : J. J. Lynch
language : en
Publisher:
Release Date : 1992
The Behaviour Of Sheep written by J. J. Lynch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Medical categories.
The purpose of this book is to provide a readable account of the biological basis of the behaviour of sheep and of the relevance of this to the current practice of sheep production throughout the world. The focus is on issues central to animal production: feeding; social behaviour and organization; reproductive behaviour; maternal behaviour; and behaviour of the lamb.
Reproduction In Sheep
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Author : D. R. Lindsay
language : en
Publisher: Cambridge University Press
Release Date : 1985-08-15
Reproduction In Sheep written by D. R. Lindsay and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985-08-15 with Science categories.
First published in 1984, this volume comprised a broad synthesis of contemporary research on sheep reproduction conducted in Australia. Australia is internationally recognized for the excellence of its research in this field, and heads the world in areas of the neuro-endocrine control of reproduction, reproductive behaviour, artificial insemination and manipulation of reproductive performance, to name just a few. The book comprises some 23 review papers and short communications, all refereed by experts in the field, covering such topics as neuro-endocrinology, sexual behaviour, testicular and ovular function, pregnancy and foetal growth, parturition, lamb survival, nutrition and genetics. Advanced methods, developed in the seventies and early eighties to control reproductive function, gene manipulation and intra-uterine insemination are also considered, together with the managerial and economic values of such developments.
The Behaviour Of Sheep
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Author : J. J. Lynch
language : en
Publisher:
Release Date : 1992
The Behaviour Of Sheep written by J. J. Lynch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Grazing behaviour in sheep; Social behaviour and organization; The reproductive bahaviour of sheep; The pregnant, parturient and lactating ewe; Bahaviour of the lamb; Welfare of sheep.
The Welfare Of Sheep
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Author : Cathy Dwyer
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-07-15
The Welfare Of Sheep written by Cathy Dwyer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-15 with Science categories.
Animal welfare is attracting increasing interest worldwide, but particularly from those in developed countries, who now have the knowledge and resources to be able to improve the welfare of farm animals. The increased attention given to farm animal welfare in the West derives largely from the fact that the relentless pursuit of ?nancial reward and ef?ciency has led to the development of intensive animal production systems that disturb the conscience of many consumers. In developing countries, human survival is still a daily uncertainty, so that provision for animal welfare has to be balanced against human welfare. Welfare is usually provided for only if it supports the output of the animal, be it food, work, clothing, sport or companionship. In reality there are resources for all if they are properly husbanded in both developing and developed countries. The inequitable division of the world’s riches creates physical and psychological poverty for humans and animals alike in many sectors of the world. Livestock are the world’s biggest land user (FAO, 2002) and the population is increasing rapidly to meet the need of an expanding human population. Populations of farm animals managed by humans are therefore incre- ing worldwide, and in some regions there is a tendency to allocate fewer resources, such as labour, to each animal with potentially adverse consequences on the a- mals’ welfare.
Management Of Reproduction In Sheep And Goats
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Author : Sheep Industry Development Program
language : en
Publisher:
Release Date : 1977
Management Of Reproduction In Sheep And Goats written by Sheep Industry Development Program and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Goats categories.
Genetics Of Reproduction In Sheep
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Author : R. B. Land
language : en
Publisher: Butterworth-Heinemann
Release Date : 1985
Genetics Of Reproduction In Sheep written by R. B. Land and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Technology & Engineering categories.
Genetic variation and selection; Selection for litter size; Crossbreeding for fecundity; Evaluation and utilization of finn sheep; The performance of romanov crosses and their merits as a basis for selection; Genetic studies of reproduction in norwegian sheep; Crossbreeding for fecundity in subrtropical sheep; The fecundity of the chios sheep; Prolific breeds of goat; Reprodutive physiology in south american camelids; Genetic and maternal effects on sheep reproduction and their influence on selection; Improvement of reproductive performances in rasa aragonesa. Present results in selection and crossbreedin experiments; The preliminary results of selection for prolificacy in polish merino sheep; The inheritance and effects of the booroola gene; The single gene inheritance of the high litter size of the booroola merino; The productivity of bungaree, booroola X bungaree and trangie fertility X bungaree merino ewes in south Australia; Introduction and management of the booroola gene in sheep flocks in New Zealand; Genetic strategies for single genes; Utilization of major genes; Single genes for fecundity in icelandic sheep; Principles and practice for the use of the booroola merino in extensive husbandry; Linear programming model for incorporating the booroola gene into another breed; Physiololgy of genetic variation; Breed differences in ovulation rate and uterine efficiency and their contribution to fecundity; Contribution of variation in ovulation rate and embryo survival to within breed variation in litter size; The mechanism of action of genes controlling reproduction; Reproductive endocrinology of prolific sheep: studies of the booroola merino; Ovulation rate and oestrus in booroola genotypes; some effects of age, season and nutrition; Sexual and ovarian function of the D'man ewe; Folliculogenesis in sheep: control of ovulation rate; Physiological criteria for embryo mortality: is asynchrony between embryo and ewe a significant factor?; Physiological criteria in genetic selection for aseasonality; Parameters of male fertility and their genetic variation in sheep; FSH plasma levels in male and female lambs issued from lacaune rams with high or low prolificacy index; Physiological criteria of genetic merit; Detection and genetic assessment of physiological criteria of meritr within breeds; Testis size and LH response to LH-RH as male criteria of female reproductive performance; Heritabilities of testis size and sexual behaviour in males and their genetic correlations with measures of female reproduction; Nutritional requirements and systems of husbandry; Protein, energy and ovulation rate; Nutritional requirements of the pregnant and lactating ewe; The possibilities for improving the performance of ewes suckling three or more lambs in grazing systems; The utilization of romanov sheep in a system of integrated husbandry; Productivity of booroola cross merinos in western Australia; Intensive husbandry of fecund sheep; Index.
Sheep Breeding
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Author : G. J. Tomes
language : en
Publisher:
Release Date : 1979
Sheep Breeding written by G. J. Tomes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Technology & Engineering categories.
National Sheep Industries - Structure, Breeds and Objectives. Genetic Selection and breed Improvement. Group Breeding Schemes and Stud Breeding. Reproduction in the Ewe. Male Reproduction and Artificial Insemination.
Breeding The Flock
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Author : D. R. Lindsay
language : en
Publisher: ISBS
Release Date : 1988
Breeding The Flock written by D. R. Lindsay and has been published by ISBS this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Technology & Engineering categories.