Effect of grain composition of feeds (grain sorghum, grain sorghum + corn, corn) on the performance of broiler chickens, swine and Korean native bulls
1989
Paik, I.K. | Moon, Y.Y. (Chungang Univ., Ansung (Korea R.). Dept. of Animal Science) | Lee, J.B. (Hanil Feed Company Limited, Seoul (Korea R.)) | Boren Bruce (National Grain Sorghum Producers Association, (USA))
Effects of grain composition of feeds on the performance of broiler chickens, swine and Korean native bulls were tested. Least-cost diets formulated to be isocaloric and isonitrogenous contained one of the 3 grain sources; U.S. No. 2 Yellow Grain Sorghum, U.S. No. 3 Yellow Dent Corn, and a 50:50 combination of sorghum and corn. Broiler chickens fed sorghum + corn diet showed more weight gain (p0.05) and better feed efficiency than the birds fed either sorghum diet or corn diet. Pigs fed sorghum diet and sorghum + corn diet showed significantly more weight gain (p0.01) and more feed intake (p0.05) than those fed corn diet. Feed efficiency of the pigs fed sorghum + corn diet was highest followed by corn diet and sorghum diet but they were not significantly different. Cattle fed sorghum diet and sorghum + corn diet gained significantly (p0.05) more weight than those fed corn diet. Feed efficiency of the cattles were not significantly influenced but those fed corn diet tended to be lower than others. Overall, combination of sorghum and corn showed best results indicating synergistic effect of two grain sources and there were species differences in the response to sorghum and corn. The results of cattle expriment indicates that differences of TDN values of sorghum and corn may not as great as expected
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