Study Of The Effects Of Sub Clinical Mastitis And Other Production Factors On Cow Milk Fat And Protein Concentration In And Around Gondar Northwestern Ethiopia

The impact of sub clinical mastitis and other production factors on cow milk protein and fat concentrations in dairy cows were studied from October 2006 to June 2007 in and around Gondar. By way of cross sectional survey data were collected from 236 milking cows of 105 smallholder dairy farmers. Instruments used for data collection were questionnaire survey, farm inspection, animal examination and laboratory analysis. Descriptive statistics, linear regression and correlation coefficients between variable were computed.rnMastitis prevalence at herd and cow levels was respectively 37.1% and 33.1%. From the total mastitis cases 2.6% was clinical and the rest 30.5% sub clinical mastitis.rnSub clinical mastitis reduced milk fat and protein concentrations by 15.4% and 8.2% respectively; the differences were statistically significant (P

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