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Analysis of genetic aspects related to live body weight in dairy cows: determination of parameters and calculation of values.

Analysis of genetic aspects related to live body weight in dairy cows: determination of parameters and calculation of values.

Daniel Hojman1 and Ezra, Ephraim.2 1Ministry of Agriculture and Rural Development – Extension Service 2Israel Cattle Breeders Association – Herdbook Center INTRODUCTION. Body weight (BW) is a functional trait that has been poorly studied until now. In most countries, BW’s data collection has been performed just in research stations and not in regular dairy farms. Along years, a
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Comparision of milk production and productive Life-Span between cows that were incorporated to herds from external sources and Local-Borned cows

Comparision of milk production and productive Life-Span between cows that were incorporated to herds from external sources and Local-Borned cows

Daniel Hojman1 and Ezra, Ephraim.2 1Ministry of Agriculture and Rural Development – Extension Service 2Israel Cattle Breeders Association – Herdbook Center   INTRODUCTION Full production of the annual milk quota is one of the main factors that enable to achieve maximum profit by a dairy farm acting under Israeli conditions. Times often, dairy farm managers come to a
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