National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The present investigation was carried out during the front line demonstration programme conducted at ten villages in Theni District of Tamil Nadu. A total 120 milk samples from 30 cows were screened by Modified California Mastitis Test for identification of subclinical mastitis. Out of 120 milk samples, about 24 milk samples were positive for subclinical mastitis while 96 milk samples observed to normal. Totally 120 samples were screened 13 samples as1+,8 samples as 2++ and 3 samples as 3+++ out of 24 subclinical mastitis affected milk samples. On the basis of stage of lactation wise early, mid and late stage of lactation, the prevalence of subclinical mastitis was 28.57%;16.67% and 16.67% respectively. The quarter wise, right forequarter, right hindquarter, left forequarter and left hindquarter, the prevalence of subclinical mastitis was 16.66%;54.17%;8.33% and 20.83% respectively. On the basis of parity, from first to fourth parity, the prevalence of subclinical mastitis was 9.09%;16.66%;25.00% and 25.00% respectively. CMT is a reliable diagnostic method in field conditions.
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