The design of metabolic cage for the non-human primates. by Vellayan , S., Hutagalung, R. I.

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Rumen fermentation, urease activity and performance of cattle given palm kernel cake-based diet by Abdullah, N., Hutagalung, R.I.

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Evaluation of agricultural products and by-products as animal feeds v. utilization of pineapple bran and stearin by chickens. by Hutagalung, R. I., Chey, T.W.

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Effects of Zinc, Iron and Copper Supplementation in Cassava-Based Diets for Broiler Chickens by Phuahi, C. H., Hutagalung, R. I.

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Influence of lysine and methionine supplementation to two levels of dietary protein on performance and carcass traits of growing-finishing pigs by Phuah, C. H., Hutagalung, R. I.

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The utilization of censor meals by laying hens by Ong, H. K., Hutagalung, R. I.

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Effect on levels of dietary protein and cassava on performance and body composition of chickens by Phuah, C. H., Hutagalung, R. I.

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Performance of Kedah-Kelantan Cattle Fed Palm Kernel Cake by Mak, T. K., Hutagalung, R. I., Togimin, Tokiran

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The Effects of Variation in Dietary Protein and Energy Concentrations on Broiler Performance in the Tropics by Hutagalung, R. I., Hamid, Ramlah, Farreli, D. J.

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Performance of Hereford Crossbred and Kedah-Kelantan Cattle fed a Palm Kernel Cake-based Ration by Mak, T. K, Hutagalung, R. I., Togimin, Tokiran, Dass, S

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Dietary Self-Selection by Laying Hens Offered Choices of Feed by Hamid, Ramlah, Hutagalung, R. I., Vohra, P.N

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Observations on the effects of feeding moldy corn to rats by Hew, Voon Fong, Mellish, K. S., Hutagalung, R. I.

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