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Journal of Animal Science, Vol 71, Issue 11 3151-3154, Copyright © 1993 by American Society of Animal Science

JOURNAL ARTICLE

Nutritional management of replacement sheep utilizing southern forages: a review

G. L. Chappell
Animal Sciences Department, University of Kentucky, Lexington 40546-0215.

Intensive sheep production systems seem to be an appropriate means of fully using the available resources, particularly the forages, of the southern region. In such systems, ewes should lamb first at approximately 1 yr of age. Programs to accomplish this goal must be well-planned and carefully integrated and executed. The primary goal is to achieve two-thirds of the ewe's projected mature weight before exposure for breeding. General management must reduce heat stress and parasitism. Forage quality must be maintained at a level consistent with National Research Council requirements for energy and protein. Protein is not normally a limiting factor. Energy supplementation and grazing pressure can be used to maintain growth without over-condition, which reduces subsequent performance.


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G. Wu, F. W. Bazer, J. M. Wallace, and T. E. Spencer
BOARD-INVITED REVIEW: Intrauterine growth retardation: Implications for the animal sciences
J Anim Sci, September 1, 2006; 84(9): 2316 - 2337.
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Copyright © 1993 by the American Society of Animal Science.