| Summary: | The development of the livestock sub-sector, especially for dairy cattle, aims to increase milk production towards self-sufficiency, expand employment opportunities and increase farmer income. This study aims to: analyze the level of income, the level of milk production of dairy cows, and the determinants of milk production of dairy cows in Tlekung Village, Junrejo District. The research sample was determined by the census technique, so that the sample studied was 50 dairy farmers. Data analysis using multiple regression analysis of Cobb Douglas production function consists of instrument test (validity test and reliability test), classical assumption test (data normality test, heteroscedasticity test, and multicollinearity test), t test and f test. The results showed that the income level of livestock business in Tlekung Village was Rp. 274,803,500 with an average income of Rp. 5,496,070; The level of milk production of dairy cows in Tlekung Village is between 7-16 liters per head per day. Partial test results showed that the amount of green feed, concentrate feed, and lactation period did not affect the milk production of dairy cows, while the factors of vitamins and drugs and drinking water had an effect on milk production of dairy cows. Forage feed factors, concentrate feed, vitamins and medicines, drinking water, lactation period simultaneously affect cow's milk production.
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