J. Anim Sci.
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J. Anim Sci. 1980. 50:377-384.
© 1980 American Society of Animal Science
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Nutrition and Management of Early Weaned Pigs: Effect of Increased Nutrient Concentrations and (or) Supplemental Liquid Feeding1

W. D. Armstrong and A. J. Clawson2

North Carolina State University, Raleigh 27650

Abstract

Four experiments involving 304 crossbred pigs weaned at 3 to 4 weeks of age were conducted to examine the effect of feeding supplemental liquid milk two to three times daily at weaning and (or) of altering the nutrient composition of the weaning diet. In addition, the effects on postweaning performance of preconditioning young pigs to supplemental milk feeding in the farrowing house were determined. Performance immediately postweaning was poor and was characterized by low weight gains and low feed intakes for approximately 7 days. Increasing the protein and (or) energy concentrations in the weaning diet had no beneficial effect on pig performance in Exp. 1. Feeding supplemental cow's milk three times daily for 4 days postweaning and (or) adding fat to the dry weaning diet also had no beneficial effect on pig performance in Exp. 2. An added milk product to the diet did tend to improve feed efficiency in this experiment. In the third experiment, performance was not affected by supplemental liquid milk feeding three times daily for 7 days and twice daily for an additional 7 days. Additions of 30% nonfat dried milk to the dry diet offered ad libitum did result in improvement in pig performance. Preconditioning of young pigs to supplemental liquid feeding while still nursing the sow resulted in no beneficial response in pig performance immediately postweaning in Exp. 4.

Footnotes

1 Paper No. 5905 of the Journal Series of the North Carolina Agr. Res. Service, Raleigh. Use of trade names in this publication does not imply endorsement of the products mentioned.

2 Dept. of Anim. Sci.






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