Protein and vitamin supplements in broiler finishing ratios / [Roy E. Roberts, C.W. Carrick] : v.512(1946) von Roberts, Roy E. 1894

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Starting and growing rations for turkeys / [Roy E. Roberts] : v.517(1946) von Roberts, Roy E. 1894

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Levels of protein in rations for young turkeys / [Roy E. Roberts] : v.448(1940) von Roberts, Roy E. 1894

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Meat scraps and dried milk in rations for starting chicks / [Roy E. Roberts, C.W. Carrick] : v.421(1937) von Roberts, Roy E. 1894

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Amounts of protein supplements in rations for broilers / [Roy.E. Roberts, C.W. Carrick] : v.425(1937) von Roberts, Roy E. 1894

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Nunc Dimittis von ROBERTS, ROY E.

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Eat Ferrari's lunch von Roberts, Roy E

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Levels of Meat Scraps and Dried Milk in Rations for Young Ducks von Roberts, Roy E.

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Methods of Feeding Ducks von Roberts, Roy E.

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Liquid and Condensed Milk for Chicks von Roberts, Roy E.

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Stearin from Cod Liver Oil as a Source of Vitamin D von ROBERTS, ROY E.

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Protein Requirements of Growing Pullets von ROBERTS, ROY E.

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When Should Chicks Be Given First Feed? von ROBERTS, ROY E.

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Studies on Feed Efficiency von Carrick, C.W., Roberts, Roy E.

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Studies on Feed Efficiency von Carrick, C.W., Roberts, Roy E.

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Influence of Starting Rations upon Subsequent Growth von Roberts, Roy E., Carrick, C.W.

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Salt Tolerance of Turkeys von Roberts, Roy E.

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Reducing Protein Concentrates in Rations of Chicks at Different Ages von Roberts, Roy E., Carrick, C.W.

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Ground Oats as a Substitute for Wheat Bran and Wheat Middlings in Rations for Chicks von Roberts, Roy E., Carrick, C.W.

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Proportions of Meat Scraps and Dried Milk in Rations for Starting Chicks von Roberts, Roy E., Carrick, C.W.

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