Utilization of pineapple crowns as a roughage for fattening cattle
2001
Prachya Prachyalak(Department of Livestock Development, Bangkok (Thailand). Animal Nutrition Div. Petchaburi Animal Nutrition Research Center) | Somsak Poatong(Department of Livestock Development, Bangkok (Thailand). Animal Nutrition Div. Petchaburi Animal Nutrition Research Center) | Viroj Wanasitchaiwat(Department of Livestock Development, Bangkok (Thailand). Animal Nutrition Div. Animal Nutrition Research Section)
Effect of substitution pineapple crowns for fresh grass as a roughage for fattening cattle were studied, using 15 male Brahman cattle of 250 kilograms body weight. The experiment were arranged in randomized complete block design with 5 replications and 3 groups as following. Group 1 the roughage were pineapple crowns, group 2 the roughage were pineapple crows with fresh grass, and group 3 the roughage were fresh grass. The animal were fed roughage ad libitum and given 14 percent crude protein of concentrate as the rate 1 percent of body weight. The experimental period lasted of 400 kilograms body weight. The finished steers were slaughtered to study carcass characteristics. The result showed that the cattle fed pineapple crows, pineapple crowns with fresh grass, and fresh grass had average daily gain 0.85, 0.89 and 0.99 kg/head/day, feed efficiency were 7.93, 7.43 and 8.33 dressing percentage were 54.38, 57.69 and 56.06 percent chilled carcass percentage were 50.15, 55.13 and 53.43 percent and ribeye area were 7.76, 8.83 and 9.03 square inch respectively which were not significantly differences. Feed intake were 6.74, 6.67 and 8.25 kg/head/day respectively, there were significantly differences (P LT .05), the cost of production were 12,272, 11,939 and 11,746 Bath/head and the benefit returned were 16.08, 19.16 and 21.27 percent respectively.
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