Somatic Cells Count in Cow's Bulk Tank Milk

被引：21

作者：

Olechnowicz, Jan ^{[1
]}

Jaskowski, Jedrzej M. ^{[1
]}

机构：

[1] Poznan Univ Life Sci, Fac Anim Breeding & Biol, Dept Vet Med, PL-60625 Poznan, Poland

来源：

JOURNAL OF VETERINARY MEDICAL SCIENCE | 2012年 / 74卷 / 06期

关键词：

bulk tank milk; microbiological quality; risk factor; somatic cell count; DAIRY HERDS; RISK-FACTORS; SHORT-COMMUNICATION; SUBCLINICAL MASTITIS; MANAGEMENT-PRACTICES; CLINICAL MASTITIS; UDDER HEALTH; DRY PERIOD; VITAMIN-E; RAW-MILK;

D O I：

10.1292/jvms.11-0506

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

The objective of this study was therefore to present factors affecting somatic cell counts in bovine bulk milk as a result of intramammary infections as well as non-infectious factors. The paper presents also the impact of on-farm management practices on the level of bulk milk somatic cell counts and presents quality indicators in bulk tank milk. At the farm level bulk milk bacterial infection takes place through three main sources: bacterial contamination from the external surface of the udder and teats, from the surface of the milking equipment, and from mastitis microorganisms within the udder. The threshold of 200,000 cells/m/ identifies bacteriological negative quarters of the udder. The counts of mammary pathogens in bulk tank milk are relatively low, on average not exceeding 1,000 cfu/m/. Environmental pathogens predominate in bulk tank milk samples with somatic cells count <300 x 10(3)/m/.

引用

页码：681 / 686

页数：6

共 44 条

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