Effects of ewe age and season of lambing on prolificacy in US Targhee, Suffolk, and Polypay sheep

Small Ruminant Research

Volumn 38, Issue 1, 2000, Pages 1-7

  Notter, D R ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

Author keywords

Breeds; Prolificacy; Reproduction; Seasonality; Sheep

Indexed keywords

EID: 0033841492     PISSN: 09214488     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0921-4488(00)00144-9     Document Type: Article

References (16)

1. Breed and age effects on lamb production of ewes
2. Productivity of Polypay, Dorset and Polypay x Dorset ewes under two accelerated lambing systems
3. Date of lambing and reproductive performance of Newfoundland and DLS breeds of sheep raised under extensive management in Nova Scotia
4. Effects of breed and mating season on reproductive performance of sheep
5. Genetic, environmental and interaction effects in sheep. I. Reproduction and lamb production per ewe
6. Development of the Polypay breed of sheep
7. Ewe fertility in the STAR accelerated lambing system
8. Review of experiences about the use of Finnsheep in improving fertility
9. Genetic improvement of out-of-season breeding through selection
10. The U.S. National Sheep Improvement Program: Across-flock genetic evaluations and new trait development
11. Performance of Finnish Landrace crossbred ewes under accelerated lambing. I. Fertility, prolificacy and ewe productivity
12. Effects of ewe breed and management system on efficiency of lamb production. I. Ewe productivity
13. Selection to improve fertility in fall lambing
14. The National Sheep Improvement Program: A review