Nawaz, M Effects of genotype and mating weight on ovulation rate, litter size, and uterine efficiency of Coopworth, Polypay, and crossbred ewes. [electronic resource] - Journal of animal science Oct 1991 - 3925-30 p. digital Publication Type: Journal Article ISSN: 0021-8812 Standard No.: 10.2527/1991.69103925x doi Subjects--Topical Terms: Analysis of VarianceAnimalsBody WeightBreedingCrosses, GeneticFemaleFertilizationGenotypeHybrid VigorLeast-Squares AnalysisLitter Size--geneticsOvulation--geneticsPregnancyRegression AnalysisSheep--anatomy & histologyUterus--physiology