Utilization of soybean pod husk as feed supplement for milking cows in dry season
1997
Chainda Snitwong(Department of Livestock Development, Bangkok (Thailand). Division of Animal Nutrition. Animal Nutrition Research Section) | Osoth Naksakul(Department of Livestock Development, Bangkok (Thailand). Division of Animal Nutrition. Lumpang Animal Nutrition Research) | Suvit Intalit(Department of Livestock Development, Bangkok (Thailand). Chiang Rai Provincial Livestock Office)
This experiment was conducted to find out the effect of feeding rice straw as a basal roughage with and without soybean pod husk (soybean straw) supplement on milk yield and quality of milk in lactating cows. Sixteen, 75 percent crossbred Holstein-Friesian dairy cows were randomly divided according to lactation period into two groups. Each group of animals was fed on experimental diet as follows: Diet 1 rice straw only. Diet 2 rice straw supplemented with soybean straw during nighttime. The animals were kept individually where rice straw and water were provided ad libitum. All cows were supplemented with concentrate (20 percent CP) at the rate of 1 kg per 2 kg of milk yield. Concentrates was given before milking time two times daily. The feed intake and milk production were recorded and milk sample were collected every month throughout 120 days of experimental period. The results showed that soybean straw supplemented cows showed significantly higher total dry matter intake (11.88 vs 9.37 kg/cow/d) (P LT 0.01), 4 percent FCM (9.65 vs 6.85 kg/cow/d) (P LT 0.01) and FCR (1.09 vs 1.37). milk fat content (4.06 vs 3.68 percent) was also significantly higher (P LT 0.05) in soybean straw supplemented group. The feed cost per 1 kg of milk of the soybean supplemented group was lower and resulted in getting more profit than no supplement. The results indicate that the soybean staw could be used well as roughage supplement for dairy cows in dry season.
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