Subclinical mastitis in machine milked dairy farms in Punjab: prevalence, distribution of bacteria and current antibiogram

被引:17
作者
Mir, Abdul Q. [1 ]
Bansal, B. K. [1 ]
Gupta, D. K. [1 ]
机构
[1] Guru Angad Dev Vet & Anim Sci Univ, Dept Vet Med, Ludhiana 141004, Punjab, India
关键词
antibiogram; bacterial distribution; machine milking; prevalence; subclinical mastitis;
D O I
10.14202/vetworld.2014.291-294
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Aim: Mastitis, a complex disease, even at subclinical stage has a major economic impact on the dairy industry. The disease pattern at machine milking which has recently been introduced in Indian system is to be studied. Therefore the present study was conducted to see the prevalence, distribution and sensitivity pattern of bacteria at subclinical level in machine milked dairy farms in Punjab state. Materials and Methods: The study involved 10 machine milked dairy cow herds in Ludhiana, Patiala, Moga, Bathinda and Ferozpur districts of Punjab. A total 218 HF x Sahiwal cross-bred dairy cow in milk were studied. About 872 quarter foremilk samples were collected to observe the prevalence of disease, distribution of udder pathogens and antibiotic sensitivity pattern. Results: Prevalence of specific subclinical mastitis was 57.80 % and 30.73% on animal and quarter basis respectively, in specific subclinical mastitis Staphylococci (41.04%) were the main organisms while in case of latent infections Corynebacteria (36.81%) were found to be chief isolates. Erythromycin, Enrofloxacin and Gentamicin were found to be most sensitive, and Streptomycin was found to be the least sensitive in vitro antibiotic. Conclusion: Staphylococci were the main organisms in specific subclinical mastitis while Corynebacteria were found to be chief isolates in case of latent infections, Erythromycin, Enrofloxacin and Gentamicin were found to be most sensitive, and Streptomycin was found to be the least sensitive in vitro antibiotic.
引用
收藏
页码:291 / 294
页数:4
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