author(s)
DK Bagri, RK Pandey, GK Bagri, R Kumari, SK Khatik, P Khatik and DL Bagdi

abstract
This experiment entitled “Impact of subclinical mastitis on milk production in lactating cows in Varanasi” was conducted to determine the effect of subclinical mastitis on milk production. This experiment was conducted during May to June, 2018 on a total of 80 lactating dairy cows. The study was designed to estimate the loss of milk due to subclinical mastitis disease collect the milk samples and compare between the total milk productions of subclinical mastitis affected and normal cows in specific time period of 30 days. The identification of subclinical mastitis in milk samples was carried out using Modified California Mastitis Test (MCMT).The total milk production was recorded higher in normal cows as compared to the cows were affected by subclinical mastitis disease.