Evaluation by Weight Change Rate of Dairy Herd Condition
نویسندگان
چکیده
منابع مشابه
Evaluation by weight change rate of dairy herd condition.
The purpose of this study was to clarify whether weight change rate (WCR) is useful in evaluating herd health. Five herds (A, B, C, D, and E) were examined monthly for approximately 1 year to measure both WCR and BCS. WCR was calculated using the following equation: WCR (%) = (body weight of current month-body weight of the preceding month)/body weight of current month x 100. In addition, blood...
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Lameness in dairy cows is a multifactorial and progressive disease with complex interactions between risk factors contributing to its occurrence. Detailed records were obtained from one United Kingdom dairy herd over an 8-yr period. Weekly locomotion scores were used to classify cows as not lame (score 1 to 2), mildly lame (score 3) and severely lame (score 4 to 5). These outcomes were used to ...
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ژورنال
عنوان ژورنال: Journal of Veterinary Medical Science
سال: 2006
ISSN: 0916-7250,1347-7439
DOI: 10.1292/jvms.68.935