Abstract
Disturbed milk production was studied in Swedish Yorkshire sows. In a clinical study of 13 sows, milk production ceased rapidly 23 days after farrowing without any general signs of infection. Prolactin levels were low in these sows when milk production ceased. An intensive study of two sows indicated that the disturbance is not caused by low prolactin levels around farrowing. A genetic analysis based on the litter recording scheme was performed on 10 684 sows, of which 3.3% were reported as having disturbed milk production. The heritability of disturbed milk production was estimated to be 0.7 with a threshold model, using Gibbs sampling.
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Schedule a callMore From: Acta Agriculturae Scandinavica, Section A — Animal Science
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