Performance of Polypay, Coopworth, and crossbred ewes: II. Survival and cumulative lamb and wool production over 4 years.

doi:10.2527/1992.70170x

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Article

Performance of Polypay, Coopworth, and crossbred ewes: II. Survival and cumulative lamb and wool production over 4 years.

Journal of animal science - 1 Jan 1992

Nawaz M, Meyer H H, Thomas D R

Abstract excerpt

Six ewe genotypes, generated by mating Coopworth (C), Polypay (P), and Suffolk (S) rams to P and Coopworth-type (Ct) ewes, were exposed to Hampshire rams for spring lambing from 1987 through 1990. Data from 1,013 exposures and 973 resultant lambings were used to analyze reproductive traits and cu...

Topics

Animals
Body Weight
Breeding
Crosses, Genetic
Female
Genotype
Pregnancy
Sheep
Weaning
Wool

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