Present investigation was undertaken to evaluate the milk NAGase activity of Sahiwal cows suffering with subclinical or clinical mastitis. The incidence of occurrence of subclinical and clinical mastitis was evaluated by testing fresh milk samples by California Mastitis Test (CMT). A total of 73 Sahiwal cows in early lactation selected from the NDRI herd during different seasons. From this 12 clinical and 12 subclinical cases distributed over three different seasons were taken into account. Clinical mastitis cases had significantly higher (P<0.05) milk NAGase levels as compared to subclinical mastitis cases. Thus, it was found to be the most potential candidates in milk which could be used for detecting subclinical mastitis." /> Milk NAGase Activity as an Indicator of Subclinical and Clinical Mastitis in Sahiwal Cows
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For more details click here

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Int.J.Curr.Microbiol.App.Sci.2020.9(6): 4189-4194
DOI: https://doi.org/10.20546/ijcmas.2020.906.490


Milk NAGase Activity as an Indicator of Subclinical and Clinical Mastitis in Sahiwal Cows
R. Selva Rani*, Sujata Pandita and Manju Ashutosh
National Dairy Research Institute (NDRI), Karnal, Haryana-132001, India
*Corresponding author
Abstract:

Present investigation was undertaken to evaluate the milk NAGase activity of Sahiwal cows suffering with subclinical or clinical mastitis. The incidence of occurrence of subclinical and clinical mastitis was evaluated by testing fresh milk samples by California Mastitis Test (CMT). A total of 73 Sahiwal cows in early lactation selected from the NDRI herd during different seasons. From this 12 clinical and 12 subclinical cases distributed over three different seasons were taken into account. Clinical mastitis cases had significantly higher (P<0.05) milk NAGase levels as compared to subclinical mastitis cases. Thus, it was found to be the most potential candidates in milk which could be used for detecting subclinical mastitis.


Keywords: Milk, Subclinical /clinical mastitis, CMT, NAGase activity, Sahiwal
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How to cite this article:

Selva Rani, R., Sujata Pandita and Manju Ashutosh. 2020. Milk NAGase Activity as an Indicator of Subclinical and Clinical Mastitis in Sahiwal Cows.Int.J.Curr.Microbiol.App.Sci. 9(6): 4189-4194. doi: https://doi.org/10.20546/ijcmas.2020.906.490