REPRODUCTIVE CAPACITY, HEALTH AND DAIRY PRODUCTIVITY OF CROSSBREED COWS
نویسندگان
چکیده
منابع مشابه
Reproductive Challenges of High Producing Dairy Cows
Within a dairy herd, total milk production is determined by the proportion of cows producing milk at any given time and the level of milk production of the individual cows within the herd. Improving reproductive efficiency helps to maintain the maximal number of cows producing milk at optimal levels. Reproductive efficiency in dairy cattle currently is suboptimal primarily due to four factors: ...
متن کاملEpidemiology of reproductive performance in dairy cows.
The objectives of this presentation are to review results of our previous and on-going research with respect to the risk factors and consequences of poor reproductive performance in dairy cows, and to develop an economic framework to optimize decisions related to dairy cow reproductive performance. To make profitable breeding and replacement decisions, the farmer must account for factors includ...
متن کاملReproductive management in dairy cows - the future
Background Drivers of change in dairy herd health management include the significant increase in herd/farm size, quota removal (within Europe) and the increase in technologies to aid in dairy cow reproductive management. Main body There are a number of key areas for improving fertility management these include: i) handling of substantial volumes of data, ii) genetic selection (including impro...
متن کاملThe Effect of Farm Location on Physiological Conditions and Productivity of Friesian-Holstein Crossbreed Cows
Farm location is an important factor in dairy farms, as it is closely associated with temperature and humidity that are crucial factors of influencing the physiological conditions and productivity of cows especially during the lactation period. The purpose of this study was to determine the effect of farm location on the physiological conditions and productivity of cows. The study was involved ...
متن کاملInterrelationships between Productivity and Fertility in Dairy Cows
Eighty eight Friesian cows and heifers were fed one of four complete diets based on maize silage and containing increasing levels of grain (from 0 to 500 g DM/kg diet DM), in two trials. Days from calving to first observed oestrus and to conception were recorded as were yields of milk and milk fat and live weight changes during early lactation. In the second trial, complete lactation data were ...
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ژورنال
عنوان ژورنال: The Scientific and Technical Bulletin of the Institute of Animal Science NAAS of Ukraine
سال: 2020
ISSN: 2312-8402
DOI: 10.32900/2312-8402-2020-124-47-55