Prevalence of bovine mastitis in north karnataka, india

The aim of this study was to determine the prevalence of bovine mastitis in North Karnataka Region. The samples were collected from March 2012 to August 2012. A Total of 392 herds (cows and buffaloes) milk samples were collected fortnightly and considered in this study. The study includes Holstein Freshein, Jerscy, Dharwari and Murrah. The overall prevalence was 69.89%, from which 48.21% and 21.68% were subclinical and clinical mastitis respectively. A total of 148 buffalos were tested, among which 96 (64.86%) were affected. A total of 244 cows were tested, among which 178 (72.95%) were affected. The age based prevalence of mastitis in buffalos showed that the maximum affect was at the age of 10 years (86.66%) and 11 years (15.38%) for subclinical and clinical mastitis respectively. Whereas 6 years (57.44%) and 11 years (15.78%) for subclinical and clinical mastitis respectively in cows. The lactation based prevalence of mastitis in buffalos showed that the maximum affect was seen in 3rd month (70.83%) and 7th month (25%) for subclinical and clinical mastitis respectively. Whereas 1st month (76.19%) and 4th month (28.12%) for subclinical and clinical mastitis in cows. The quarter based prevalence of mastitis in buffalos showed that the maximum affect was 39.86% and 9.37% in one quarter in subclinical and clinical mastitis respectively. Whereas 47.13% and 6.96% in one quarter for subclinical and clinical mastitis respectively in cows. A total of 06 groups of bacteria’s (Staphylococcus aureus, Coagulase negative staphylococcus (CNS), Bacillus spp. Pseudomonas spp. Aerococcus spp. Enterobacter spp.) were isolated based on conventional methods. The present study showed that there was high prevalence of mastitis in the North Karnataka, India and hence, it is recommended to take necessary control measures.