Fertility In The High Producing Dairy Cow
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Fertility In The High Producing Dairy Cow
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Author : M. G. Diskin
language : en
Publisher:
Release Date : 2001
Fertility In The High Producing Dairy Cow written by M. G. Diskin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Dairy cattle categories.
The modern genetically improved dairy cow produces large quantities of milk but suffers from poor reproductive efficiency. This has a major impact on farm incomes. These two volumes review the causes of reproductive decline and low fertility.
Fertility In The High Producing Dairy Cow
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Author : M. G. Diskin
language : en
Publisher:
Release Date : 2001
Fertility In The High Producing Dairy Cow written by M. G. Diskin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Dairy cattle categories.
Fertility In The High Producing Postpartum Dairy Cow As Affected By Dietary Crude Protein
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Author : Ellen Rae Jordan
language : en
Publisher:
Release Date : 1978
Fertility In The High Producing Postpartum Dairy Cow As Affected By Dietary Crude Protein written by Ellen Rae Jordan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Proteins in animal nutrition categories.
Dairy Cattle Fertility Sterility
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Author :
language : en
Publisher: Hoard's Dairyman Books
Release Date : 1996
Dairy Cattle Fertility Sterility written by and has been published by Hoard's Dairyman Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Technology & Engineering categories.
Dairy Cows
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Author : Russell E. Marek
language : en
Publisher:
Release Date : 2011
Dairy Cows written by Russell E. Marek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Dairy cattle categories.
The elite milk producing phenotype of the modern dairy cow has adversely affected its health. Diminished udder health has serious implications for milk production, leading to decreases in milk yield, milk quality and increases in somatic cell count. This new book presents current research in the nutrition, fertility and milk production of dairy cows. Topics discussed include mastitis in bovine milk production; oxidative stress and reproductive disorders in dairy cows; the incidence of hypocalcemia and its Ca homeostasis mechanism in periparturient cows and the haemodynamic changes of the superovulated corpus luteum in cattle.
Feeding Supplemental Fat To Enhance Fertility In The Dairy Cow
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Author : Amy Mowrey
language : en
Publisher:
Release Date : 2000
Feeding Supplemental Fat To Enhance Fertility In The Dairy Cow written by Amy Mowrey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Dairy cattle categories.
Historically speaking, fertility has decreased and milk yield has increased in modern dairy cows. This has led to a large amount of research focusing on increasing pregnancy rate in lactating cows. Some believe that an increase in nutrients fed to early lactation dairy cows is required for high milk production and reproductive function. To test this hypothesis researchers have tried to increase the energy density of the diet or to feed different types of fat (an energy dense nutrient). Three experiments were conducted to test the effects of type and amount of fat fed to lactating dairy cows on fermentation, production and reproductive function. The first experiment compared a control diet (no supplemental fat) to type of raw soybean (cracked or ground) and a rumen inert fat source. Each diet was fed to four rumen-cannulated midlactation dairy cows. The only fermentation parameter affected by diet was the solids passage rate, which decreased for the cracked soybean diet. Reproductive parameters were unchanged by dietary treatments. The second set of experiments tested these diets and others for a longer period of time using more animals. One hundred and fifty-two early lactation dairy cows were fed different levels of fat in a study completed over two years (Year One (Y1) n 84; Year Two (Y2) n = 68). Year One cows were fed a control diet, one with added soybeans, or one containing a rumen-inert fat product. Pretreatment and experimental milk yield were significantly higher for cows fed the control and soybean diets. This was due to random assignment of lower BW cows to the treatment containing the rumen inert fat product. We concluded that no difference due to treatment occurred but instead the difference was due to BW differences. During Y2 cows were fed a control diet or three diets increasing in soybean content. Milk protein percentage decreased as soybeans were added to the diet. Other production parameters were similar across treatments. Plasma cholesterol at week 10 of lactation and amount of total fatty acids in plasma increased with increasing soybean content. Number of estrous cycles for cows fed the lowest soybean diet during Y2 was the only significant change in the reproductive parameters measured for both years. In summary, early lactation dairy cows maintained intake and milk production levels similar to control cows when fed supplemental fat, after taking BW into account. Small changes were noted in plasma fatty acid content and cholesterol during Y2, but these increases were not translated into increases in progesterone concentration or changes in reproductive efficiency or function.
Mechanisms Of Fertility Failure In High Yielding Dairy Cows
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Author : Zeravan-Abdulrazaq Mohammed
language : en
Publisher:
Release Date : 2016
Mechanisms Of Fertility Failure In High Yielding Dairy Cows written by Zeravan-Abdulrazaq Mohammed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Reproduction In Domestic Ruminants Vii
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Author : M. C. Lucy
language : en
Publisher: Nottingham University Press
Release Date : 2011-02-01
Reproduction In Domestic Ruminants Vii written by M. C. Lucy and has been published by Nottingham University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-02-01 with Medical categories.
The combined work of eminent scientists in the field, this compilation contains the latest information on ruminant nutrition from the eighth annual International Ruminant Reproduction Symposium. With discussions on how to improve reproduction by applying nutrition and physiology, this collection spotlights the recent advances regarding the ruminant genome and includes chapters about specific animals, including the dairy buffalo, camel, and reindeer.
Fertility In Finnish Dairy Cattle
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Author : Helena Rautala
language : en
Publisher:
Release Date : 1991
Fertility In Finnish Dairy Cattle written by Helena Rautala and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Dairy cattle categories.
Bovine Reproduction
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Author : Richard M. Hopper
language : en
Publisher: John Wiley & Sons
Release Date : 2014-08-18
Bovine Reproduction written by Richard M. Hopper and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-18 with Medical categories.
Bovine Reproduction is a comprehensive, current reference providing information on all aspects of reproduction in the bull and cow. Offering fundamental knowledge on evaluating and restoring fertility in the bovine patient, the book also places information in the context of herd health where appropriate for a truly global view of bovine theriogenology. Printed in full color throughout, the book includes 83 chapters and more than 550 images, making it the most exhaustive reference available on this topic. Each section covers anatomy and physiology, breeding management, and reproductive surgery, as well as obstetrics and pregnancy wastage in the cow. Bovine Reproduction is a welcome resource for bovine practitioners, theriogenologists, and animal scientists, as well as veterinary students and residents with an interest in the cow.