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OJVRTM
Online Journal of Veterinary Research©
Volume 20(2):116-125, 2016.
Management practices associated with bulk tank total bacterial milk count in dairy herds.
Maryam Ansari-Lari1, Sara
Basiri1, Majid
Hashemi1,2, Vahid
Sadeghi1,2, Hadi
Ebrahimnejad1,3
1Department of Food Hygiene and Public Health, School of Veterinary
Medicine, Shiraz University 2Razi Vaccines and Serums research
Institute, Shiraz Branch, 3Department of Food Hygiene and Public Health, Faculty of
Veterinary Medicine, Shahid Bahonar
University of Kerman, Iran
Abstract
Ansari-Lari M, Basiri S, Hashemi M, Sadeghi V, Ebrahimnejad H., Management practices associated with bulk
tank total bacterial milk count in dairy herds. Onl J
Vet Res., 20(2):116-125, 2016. . We report
management risk factors related to bulk
tank total bacterial count (TBC) at 79 dairy farms in Fars, Iran. Farm demographics, herd management,
milking procedures and hygiene were compiled by questionnaire. Association of
risk factors with the log of TBC was determined using a linear mixed model
adjustment for effects of district and herd size. Mean and median TBC was 9.41.9×105
and 1.1×105 cfu/ml, respectively. Not
feeding during milking, teat disinfection after milking, cooling of milk before
delivery and artificial insemination were associated with lower TBC.
Keywords:
dairy cattle,
Iran, management, total
bacterial count.
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