奶牛隐性乳房炎的发生规律及致病菌分离鉴定

Abstract

Abstract:

In the essay, all the milk samples from 1131quarters of 305 dairy cattle in three dairies in Pengshui autonomous county were analyzed, and the pathogenic bacteria in the samples were isolated, cultured and identified. The resul showed that, the positive rate of subclinical mastitis took up 64.92%.Quarter positive rate of subclinical mastitis was 32.80% and the incidence was connected with management, milking sanitation and program，stage of lactation and age obviously. The main pathogenic bacteria contained Staphylococcus aureuss(93.48%), Streptococcus agalactiae(37.21%) and Escherichia coli (23.26%).The gross detectable rate was 13.95%.

Key words: cattle; subclinical mastitis; epidemiologic survey; pathogenic bacteria; isolation and identification

CLC Number:

S857.2⁺6

SHI Fei;WEI Shou-hai;CHEN Ling;LU Cheng. Epidemiologic Survey, Isolation and Identification of Pathogenic Bacteria of Bovine Subclinical Mastitis[J]. , 2009, 36(10): 118-121.

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Epidemiologic Survey, Isolation and Identification of Pathogenic Bacteria of Bovine Subclinical Mastitis

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