Utilization of prilled fat on milk production and milk quality fed to lactating dairy cows

Abstract

The objective was to determine the effects of supplemental prilled fat in lactating dairy cows’ diet on milk production and milk quality. There hasn’t been any novel information about the effect of different content of palmitic acid in the prilled fat. The study conducted for 49 days, consisted of 42 days of adaptation and 7 days of data collection. Sixteen mid-lactation multiparous Friesian Holstein cows were assigned in a completely randomized block design experiment of four dietary treatments and four groups. The treatments were: basal diet (T1), basal diet + 2% of prilled fat with 75% of palmitic acid (T2), basal diet + 2% of prilled fat with 85% of palmitic acid (T3), and basal diet + 2% of prilled fat with 95% of palmitic acid (T4). The basal diet that used containing approximately 60% forages and 40% grains. The total dry matter intake resulted highest in T2 (P<0.05) with an average 17.42 kg/head/day, whereas, the milk production was not affected. The milk quality-analysed were total solid (TS), %fat, %protein, %lactose and solid non-fat (SNF). The %fat resulted the best in T2 with average 4.22% (P<0.05), while there were not any significant differences in TS, %protein, %lactose and SNF.