Several factors are known to determine the prolificacy of the ewe. One of the factors is nutritrion and particularly nutrition prior to mating. The practice of improving nutrition of the ewe prior to mating to increase lambing percentage is widely advocated and adapted in sheep producing countries. It has been shown that flushing of ewes is generally quite beneficial in increasing the number of lambs born. It is reported however, that when ewes are in high condition or have a low gentic potentially for twinning, little or no response will result from flushing. Following are summaries of experimental trials showing the results of different preflushing and/or flushing treatments.
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South Dakota State University
Copyright © 1967 South Dakota State University
Whetzal, F. W., "Research Reports Concerning Different Aspects of Pre-flushing and Flushing Treatments" (1967). South Dakota Sheep Field Day Research Reports, 1967. 8.