J. Anim Sci.
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J. Anim Sci. 1971. 33:587-591.
© 1971 American Society of Animal Science
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Comparative Utilization of Casein, Fish Protein Concentrate and Isolated Soybean Protein in Liquid Diets for Growth of Baby Pigs

W. G. Pond1, W. Snyder1, E. F. Walker1, B. R. Stillings2 and Virginia Sidwell2

Cornell University, Ithaca, New York1 14850 and U.S. National Marine Fisheries Service, College Park, Maryland,2 20740

Abstract

A total of 90 Yorkshire pigs weaned at 2 to 3 days of age was used in three experiments (18 days duration in experiment 1 and 21 days in experiments 2 and 3) to determine the acceptability of fish protein concentrate (FPC) as the sole source of protein in liquid diets for the baby pig and to compare performance of baby pigs fed diets containing casein, FPC or isolated soybean protein (ISP) at isonitrogenous levels.

FPC from the U. S. National Marine Fisheries Service or from Sweden was equal to casein in promoting growth and total serum protein concentration after 21 days of feeding. ISP was inferior to FPC or casein in both criteria. There was no evidence of toxicity or nonacceptance of FPC by baby pigs in any of the three experiments. It is concluded that FPC is equal to casein and superior to ISP as the sole source of protein in liquid diets for pigs during the period from 2 to 3 days to 20 to 23 days of age.

Footnotes

1 Department of Animal Science. We acknowledge Ruth Whetzel, Suazane Wright, Margaret Chapman and Cecil Brownie for their assistance in this work. The work was supported by Contract No. 14-17-0007-987 of the National Marine Fisheries Service, U.S. Department of Commerce, Washington, D.C. 20235.

2 U.S. National Marine Fisheries Service, National Center for Fish Protein Concentrate, College Park, Maryland 20740 (formerly the U.S. Bureau of Commercial Fisheries).






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