J. Anim Sci.
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J. Anim Sci. 1979. 48:1007-1014.
© 1979 American Society of Animal Science
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Nutrition and Management of Early Weaned Piglets: Liquid vs Dry Feeding1,2,

J.G. Lecce, W. D. Armstrong, P. C. Crawford and G. A. Ducharme

North Carolina State University,3 Raleigh 27650

Abstract

In the first experiment, the optimal age for gradually shifting minimally stressed, artificially-reared piglets from an hourly, liquid feeding regimen to an ad libitum, dry feeding regimen was determined. When the piglets were shifted from the liquid feeding to the dry diets, they were also presented a gruel two to three times a day for a week's transition. Piglets shifted at 9 days of age had a markedly depressed rate of gain. Piglets shifted at 14 days experienced a temporary, slight decline in rate of gain. Piglets shifted at 30 days experienced no depression in rate of gain.

In the second experiment, piglets were grouped and abruptly shifted from hourly liquid feeding to dry diet at 30 days of age. After this shift, these piglets experienced no depression in rate of gain. Also, high rates of gain were maintained in these minimally stressed piglets fed hourly, from 14 through 30 days of age, liquid diets in which soy and corn proteins substituted for part of the more costly milk proteins.

The performance of piglets weaned abruptly at 3 weeks of age to a dry diet at a well-managed, profitable swine farm was monitored in order to sense the "state of the art" of early weaning in a commercial situation. There "stressed" piglets experienced diarrhea, 6% mortality, and a 2-week depression in rate of gain.

Footnotes

1 Paper No. 5559 of the Journal Series of the North Carolina Agriculture Experiment Station, Raleigh. Use of trade names in this publication does not imply endorsement of the products mentioned.

2 We gratefully acknowledge the cooperation of Mr. Stephen L. Reedy, the Swine Manager at Carroll's of Warsaw, Warsaw, NC.

3 Department of Animal Science.






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