Sweeney, T Is there a relationship between prion protein genotype and ovulation rate and litter size in sheep? [electronic resource] - Animal reproduction science Sep 2007 - 153-7 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0378-4320 Standard No.: 10.1016/j.anireprosci.2006.12.004 doi Subjects--Topical Terms: AnimalsFemaleGene FrequencyGenotypeLitter SizeOvulation--geneticsPolymorphism, GeneticPrPSc Proteins--geneticsPregnancySheep--physiology