Type of Document	Dissertation
Author	Lewis, Ronald Martin
URN	etd-08252008-162636
Title	Reproductive performance of dorset ewes in the star accelerated lambing system
Degree	PhD
Department	Animal Science
Advisory Committee	Advisor Name Title No Advisors Found
Keywords	Sheep
Date of Defense	1990-05-05
Availability	restricted
Abstract Reproductive performance of Dorset ewes in the Cornell University STAR accelerated lambing program was evaluated. This program consists of five 30-d concurrent breeding and lambing periods per year beginning on January 1 (Sl) , March 15 (S2), May 27 (S3) , August 8 (S4) and October 20 (S5). Optimally, a ewe could lamb every 7.2 mo beginning at 1 yr of age, Records on 1,084 ewes over 7 yr beginning Sl, 1982 Reproductive traits considered were ewe fertility, prolificacy, days to first lambing (DFL) and days between lambing (DBL).
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