PREVALENCE AND RISK FACTORS OF MASTITIS IN LACTATING DAIRY COWS AT BAGHABARI MILK SHED AREA OF SIRAJGANJ

Authors

  • MA Islam Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202
  • AKMA Rahman Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202
  • SA Rony Department of Parasitology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202
  • MS Islam Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202

DOI:

https://doi.org/10.3329/bjvm.v8i2.11200

Keywords:

Bovine Mastitis, prevalence, risk factors, Sirajganj

Abstract

A cross-sectional study was carried out on a total of 330 lactating dairy cows at Baghabari, Sirajganj to determine the prevalence and risk factors of clinical (CM) and sub-clinical (SCM) mastitis using California Mastitis Test (CMT), White Side Test (WST) and Surf Field Mastitis Test (SFMT) during the period from July to December, 2009. Of all cows tested, 2.12% (n=7) cows were affected with CM and 37.58% (n=124), 36.67% (n=121) and 35.15% (n=116) cows showed positive reaction for SCM by CMT, WST and SFMT respectively. The overall prevalence of SCM was 36.46% and CMT showed better performance in detecting SCM (37.58%) among three indirect tests used. The prevalence of SCM was significantly (p<0.01) higher (47.61%) in age group more than 13 years than others. A significantly (p<0.01) higher prevalence of SCM was observed in parity number more than 11 than others. The prevalence of SCM was significantly (p<0.01) higher (37.12%) in cows yielding >10L of milk than others. The prevalence of SCM was highest in late lactation (72.45%) followed by early (40%) and mid lactation (27.56%). Herds having 16 or more milch cows had significantly (p<0.05) higher SCM than those with fewer milch cows.

DOI = http://dx.doi.org/10.3329/bjvm.v8i2.11200

Bangl. J. Vet. Med. (2010). 8 (2) : 157-162

 

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Published

2012-07-12

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Section

Ruminant Medicine