High milk yields and the risk of mastitis in different herd environments

Jack J. Windig; Mario P.L. Calus; Roel F. Veerkamp

High milk yields and the risk of mastitis in different herd environments

In: Mastitis in dairy production

Authors:

Jack J. Windig

Jack J. Windig Animal Sciences Group, Wageningen UR, Lelystad, the Netherlands

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Mario P.L. Calus

Mario P.L. Calus Animal Sciences Group, Wageningen UR, Lelystad, the Netherlands

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Roel F. Veerkamp

Roel F. Veerkamp Animal Sciences Group, Wageningen UR, Lelystad, the Netherlands

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Type:: Chapter

Pages:: 254–259

DOI:: https://doi.org/10.3920/9789086865505_035

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It is well known that a high milk production increases the risk of mastitis. In this study the association between milk yield, milk composition and Somatic Cell Counts (SCC) were analysed in 4006 Dutch herds. As expected there was a close association between milk yield at start of lactation and the incidence of SCC-peaks later in lactation. The higher the milk yield the more likely that SCC-peaks occurred. Fat-protein ratios were non-linearly related to SCC-peak rates. Both a lower and a higher fat/protein ratio at the start of lactation increased the risks of SCC-peaks. Interestingly, there was considerable variation across herds, both in SCC-peak rates and in the association of SCC-peaks and milk yield. Unexpectedly the incidence of SCC peaks was lower in herds with a high average milk yield per cow. The highest producers in these herds, however, did have the highest risk of elevated SCC. In herds with both a low average production and a low fertility of the cows there was no association between milk yield and SCC-peaks. Thus a higher production does not always increase the incidence of mastitis. We hypothesize that in herds with an intensive management both a higher production and a lower mastitis incidence is achieved, but that mastitis cannot be prevented in these herds for the highest producing cows.

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Mastitis in dairy production

Current knowledge and future solutions

E-Book ISBN:: 9789086865505

Publisher:: Wageningen Academic

Print Publication Date:: 24 Oct 2005

Subjects
- Life Sciences

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High milk yields and the risk of mastitis in different herd environments

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Mastitis in dairy production

Current knowledge and future solutions

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