Friesian Holstein (FH) Dairy Cows Milk Quality that Experienced Repeated Breeding in Sendang District, Tulungagung Regency

This study observe the milk quality decrease in Friesian Holstein (FH) dairy cows that experience repeated breeding (repeat breedings) at KUD Tani Wilis Sendang Tulungagung when viewed from density, fat content, Total Solid (TS), and Solid Non Fat (SNF). The milk samples to be used in this study were 32 with a ratio of 10 normal cow's milk samples as a control. The milk sample was examined using a lactoscan. The data obtained were analyzed using the Independent T-Test test. The results of the repeat breeding cow's milk samples for specific gravity, fat content, and Total Solids (TS) showed a significant difference (p <0.05) between the treatment group and the control of normal cow's milk. Samples of repeat breeding cow's milk on Solid Non Fat (SNF) showed that it was not significantly different (p>0.05). The average specific gravity of repeat breeding cows was 1.0282 and that of normal cow's milk was 1.0260, which means that there is an increase in repeat breeding cow's milk when compared to normal cow's milk. The fat content of repeat breeding cows was 1.08% and that of normal cows was 4.18%. Total Solid (TS) of repeat breeding cows was 9.38% and normal cows was 12.73%.