Feeding Value of Leaf Meal of Acacia on Poultry Feed

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Feeding value of the leaf meal of acacia (Robinia Pseudoacacia. L) which was produced in China as a poultry feed was compared with that of the dehydrated alfalfa meal.In the first experiment, chemical composition and metabolizable energy value of the leaf meal were determined. The results were as follows: Crude protein 19.7%, Crude fat 3.5%, Crude fiber 10.2%, Crude ash 12.1%, Calcium 2.1%, Phosphorus 0.2%, total carotenoid 28.2mg/100g and metabolizable energy value 1074kcal per kg feed.In the second experiment, 64 broiler chicks were fed a corn-soybean type diet containing 5 percent of leaf meal, and another 64 chicks a diet containing the same level of dehydrated alfalfa meal. Body weight gain, feed intake and mortality were recorded. The results showed no difference between two groups.In the third experiment, colouring effect of the leaf meal carotenoid on egg yolk was studied. The egg yolk pigmenting efficiency of the leaf meal was almost the same as that of dehydrated alfalfa meal. The relative egg yolk pigmenting efficiency of the leaf meal determined on the basis of yellow corn was 84.
日本家禽学会の論文