Prevalence of subclinical mastitis pathogens and adoption of udder health management practices on Dutch dairy farms: preliminary results

O.C. Sampimon; R.G.M. Olde Riekerink; T.J.G.M. Lam

Prevalence of subclinical mastitis pathogens and adoption of udder health management practices on Dutch dairy farms: preliminary results

In: Mastitis control

Authors:

O.C. Sampimon

O.C. Sampimon ¹GD Animal Health Service, P.O. Box 9, 7400AA, Deventer, the Netherlands

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R.G.M. Olde Riekerink

R.G.M. Olde Riekerink ¹GD Animal Health Service, P.O. Box 9, 7400AA, Deventer, the Netherlands

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T.J.G.M. Lam

T.J.G.M. Lam ¹GD Animal Health Service, P.O. Box 9, 7400AA, Deventer, the Netherlands
²Dutch Udder Health Centre, P.O. Box 2030, 7420AA, Deventer, the Netherlands Corresponding author: o.sampimon@gddeventer.com

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Type:: Chapter

Pages:: 37–46

DOI:: https://doi.org/10.3920/9789086866496_003

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A changing distribution of mastitis pathogens over time and an increasing herd size may have an effect on the execution and effect of udder health management practices in dairy farms. In this study 200 herds were visited to study the prevalence and distribution of subclinical mastitis pathogens and estimate the adoption of udder health management practices. A total of 11,225 quarters of 2,873 cows were sampled and cultured. Cows with increased SCC were selected for sampling based on Dutch DHI data. Of the sampled quarters, 4,612 had a high SCC (≥200,000 cells/ml). Bacterial growth occurred in 1,691 (3%) of these milk samples. Coagulasenegative staphylococci and Staphylococcus aureus were the most prevalent pathogens and were isolated in 566 (12%) and 411 (8.6%) milk samples, respectively. Staphylococcus aureus was found to be penicillin-resistant in 68 (1.5%) milk samples. Management practices were divided in six categories, general management, housing conditions, young stock management, nutrition, milking procedures and therapy. In this study, 22% of the farmers wore gloves during milking. Checking the first streams of milk before attaching the milking unit was carried out by 49% of the milkers. Post milking teat disinfection was performed by 81% of the farmers. Antibiotic treatment for all cows at drying-off, treatment of the first symptoms of clinical mastitis, and treatment of high SCC was done by 87%, 69%, and 47% of farmers, respectively. Coagulase-negative staphylococci, and Staph. aureus were most frequently isolated pathogens in subclinical mastitis. Most recommended management practices were used on most farms, but there is room for improvement.

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Mastitis control

From science to practice

E-Book ISBN:: 9789086866496

Publisher:: Wageningen Academic

Print Publication Date:: 30 Oct 2008

Subjects
- Life Sciences

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Prevalence of subclinical mastitis pathogens and adoption of udder health management practices on Dutch dairy farms: preliminary results

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Mastitis control

From science to practice

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