Results 221 to 230 of about 21,703 (263)
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Breeding for improved cow fertility
In Practice, 2004ANECDOTAL evidence and results from milk recording organisations such as National Milk Records (NMR) suggest that there has been a decline in dairy cow fertility in the UK national herd. Many people believe that the British Friesian had better fertility than the modern‐day Holstein.
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Characteristics of lactation of bushuev breed cows
Asian Journal of Multidimensional Research, 2022This article presents information on milk yield and characteristics of lactation of cows of the Bushuev, Holstein breeds, and cows of the first generation G’1 generation obtained from the mating of cattle of this breed.
Soatov Utkir Rajabovich +2 more
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Dry Cow / Fresh Cow Feeding for Better Breeding
The Bovine Practitioner, 2019This review summarizes research indicating that adverse metabolic conditions, particularly marked periparturient loss of body condition body condition exert acute and latent effects on fertility by negatively influencing follicle development and subsequent luteal function.
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Breeding dairy cows for the future in New Zealand
New Zealand Veterinary Journal, 2005A brief history of the breeding of dairy cattle in New Zealand is provided. Dairy farming in New Zealand is unique compared with the majority of dairy systems in the developed world. New Zealand has a dependence on grass-based diets and a strict requirement for a 365-day calving interval.
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Controlled Breeding Systems for Dairy Cows
BSAP Occasional Publication, 2001AbstractThe economic consequence of low heat detection rates is the main reason cattle reproduction research programmes continue to focus on developing practical controlled breeding systems for dairy cows. Three approaches can be taken to control the oestrous cycle in cattle: (i) Use of the luteolytic agent prostaglandin F2α alone or one of its potent ...
MG Diskin, JM Sreenan, JF Roche
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Milchkühe sind aus der modernen Nutztierhaltung nicht wegzudenken und leisten einen enormen Beitrag zur Ernährung der Menschheit mit hochwertigen Protein. Dabei stehen sie selbst unter dem Einfluss der Umwelt und müssen unter den gegebenen Umweltbedingungen ihre Leistung erbringen, sowie gesund und fruchtbar bleiben.
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Optimising breeding of dairy cows
Dairy cow breeding continues to face several monumental challenges, namely the need to balance production and non-production traits with consumer expectations surrounding animal health, welfare, resilience and sustainability. At the same time, there is a growing body of phenotypic and genetic data which, when combined with state-of-the-art analytical ...openaire +1 more source
TECHNOLOGY OF FEEDING OF COWS AS A RESULT OF BREEDING
2021This article provides information on the technology of feeding cows obtained by crossbreeding in cattle breeding.
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2017
Body condition scoring is a useful management tool for monitoring nutritional status of beef cows. Nutrition in cow-calf operations should be built around available standing forge for an economical feeding ...
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Body condition scoring is a useful management tool for monitoring nutritional status of beef cows. Nutrition in cow-calf operations should be built around available standing forge for an economical feeding ...
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Animal Breeding The Milch Cow in England
Nature, 1947DR. HAGEDOORN'S book is a second edition of one first issued in 1939, reprinted four times, and now emerging as a further contribution to the field of genetics applied to livestock improvement; Miss Cochrane's is an entirely new analysis of problems of cattle-breeding in Great Britain. The texts are alike in that they are intended to stimulate, and the
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