Body weight, body condition score, and wither height of prepartum Holstein cows and birth weight and sex of calves by parity: a database and summary.


Measurements of body weight (BW), body condition score, wither height, calf birth weight, and calf sex were recorded by parity from 728 Holstein cows and heifers at the Purina Research Center during the 8-wk prepartum period. Data were compiled over 5 yr. Mean daily BW gain was 0.93 kg. Loss of BW at parturition was 11.1%. Mean body condition score was 3.35… (More)


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