Selection of cows for once a day milking
1989
Carruthers, V.A. | Davis, S.R. | Bryant, A.M. | Morris, C.A. (Ministry of Agriculture and Fisheries Ruakura (New Zealand))
Evidence suggests that cows with unusually concentrated milk could be milked once a day with no reduction in total solids yield. The paper outlines an experiment on a herd of Jersey cows with high or low milk solid content. Udder storage ability and tolerance to once a day milking were assessed during two stages of lactation. Udder storage tended to be greater in cows with high milk solids content. Percentage loss in milk yield during once a day milking in November averaged 14 and 18% with cows with high and low milk solids contents respectively, but losses for individual cows ranged from 3 to 47%. Factors which affect a cow's ability to tolerate once a day milking were not fully identified and further studies are planned
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