摘要 : The incidence of subclinical mastitis in 243 cows, comprising Jersey crosses (99 cows), Holstein crosses (60), Danish Red crosses (7), Malvi (68), Gir (5) and Sahiwal (4) in the Malwa region of Madhya Pradesh was studied [date not... 展开 The incidence of subclinical mastitis in 243 cows, comprising Jersey crosses (99 cows), Holstein crosses (60), Danish Red crosses (7), Malvi (68), Gir (5) and Sahiwal (4) in the Malwa region of Madhya Pradesh was studied [date not given]. 961 milk samples were collected. Incidence of mastitis was 86.87% in Jersey, 75.00% in Holstein, 75.00% in Sahiwal, 57.35% in Malvi and 80.00% in Gir. The overall incidence in cows and quarters was 75.31 and 38.81% respectively. On the basis of sensitivity, of 373positive samples, 119 were California mastitis test (trace), 65 were (+), 51 were (++) and 138 were (+++). 收起