PREVALENCE AND ETIOLOGY OF NONCLINICAL INTRAMAMMARY INFECTION IN MURCIANO-GRANADINA GOATS

被引：65
作者：
CONTRERAS, A [1 ]
CORRALES, JC [1 ]
SIERRA, D [1 ]
MARCO, J [1 ]
机构：
[1] DEPT AGR & PESCA GOBIERNO,SIMA,DEPT MICROBIOL,E-48018 DERIO,SPAIN
来源：
SMALL RUMINANT RESEARCH | 1995年 / 17卷 / 01期
关键词：
GOATS; SUBCLINICAL MASTITIS; PREVALENCE; ETIOLOGY; STAPHYLOCOCCI;
D O I：
10.1016/0921-4488(95)00651-Z
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Ten herds of Murciano-Granadina goats were examined to determine prevalence and aetiology of subclinical mastitis in Murcia (Spain). In the 369 milk samples analysed from 188 animals, intramammary infection was present in 18% of the glands and 30% of the goats. Prevalence of infection in the different herds ranged from 7% to 34% of the glands and 17% to 44% of the goats. Sixty-nine bacterial isolates were found, comprising staphylococci (71%), corynebacteria (12%), mycoplasmas (9%), enterobacteria (3%), pasteurellas (3%), streptococci (1%) and yeast (1%). Among the 49 staphylococcus isolates, Staphylococcus caprae (22%), Staphylococcus epidermidis (20%) and Staphylococcus chromogenes (12%) were the most frequent of the 12 species identified. Staphylococcus aureus (6%) had a low prevalence, and only one isolate was coagulase positive. S. caprae showed the highest prevalence among the herds, and mycoplasmas and S. epidermidis were most responsible for bilateral infections (60% of those detected).
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页码：71 / 78
页数：8
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