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The cell count of milk in relation to milk yield

Published online by Cambridge University Press:  01 June 2009

A. Meijering ,
F. H. J. Jaartsveld ,
M. W. A. Verstegen  and
M. J. M. Tielen
A. Meijering
Affiliation:
1Agricultural University, Department of Animal Husbandry, Wageningen, The Netherlands;
F. H. J. Jaartsveld
Affiliation:
2Animal Health Service of Noord-Brabant, Boxtel, The Netherlands
M. W. A. Verstegen
Affiliation:
1Agricultural University, Department of Animal Husbandry, Wageningen, The Netherlands;
M. J. M. Tielen
Affiliation:
2Animal Health Service of Noord-Brabant, Boxtel, The Netherlands
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Summary

Quarter-milk cell counts and milk yields from 1000 cows in the province of Noord-Brabant were obtained over a 12-month period. The data from 933 animals, mainly heifers, were used to examine statistically the relationship between cell counts, as a criterion for sub-clinical forms of mastitis, and milk yield. Losses in milk were assessed by quarter, by pairs of quarters and by cow. The conclusions were that the losses in milk due to sub-clinical forms of mastitis, as indicated by cell count, can be substantial. The existence of a compensating increase in milk yield from a healthy gland, in response to the loss of milk from a neighbouring quarter with raised cell count, could not be demonstrated.

Type
Original Articles
Information
Journal of Dairy Research , Volume 45 , Issue 1 , February 1978 , pp. 5 - 14
Copyright
Copyright © Proprietors of Journal of Dairy Research 1978

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References

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