Effect of Moldy Diet and Moldy Soybean Meal on the Growth of Chicks and Poults

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Abstract
Retarded growth occurred in poults that received a diet containing moldy soybean meal. This moldy meal was produced by subjecting commercial soybean meal to fungal growth for 6 weeks. In general, mortality was low, but gross and histopathological examination of two poults that were moribund showed a toxic hepatitis and nephritis. Poults receiving the moldy soybean meal and 0.8% of lysine grew at a normal rate and the livers were less severely affected. Supplementing the moldy meal with 1.5% of arginine indicated that the availability of this amino acid also may have been affected by the fungal growth. When 1.2% of lysine was added to the moldy meal, arginine definitely became a limiting amino acid for growth.