+ Site Statistics
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on LinkedInFollow on LinkedIn

+ Translate

A new approach to controlled breeding in sheep using the 'ram effect'

A new approach to controlled breeding in sheep using the 'ram effect'

Proceedings of the Australian Society of Animal Production 14: 519-522

Ewes which are induced to ovulate by the introduction of rams (the ram effect) often have short cycles caused by corpora lutea with a short lifespan. In 2 experiments, the use of progestogens to increase the lifespan of such corpora lutea, and to ensure synchrony at the next ovulation, was studied. Treatment with intravaginal progestogen sponges before the introduction of rams induced 34 of 35 ewes to ovulate and display oestrus.

(PDF 0-2 workdays service: $29.90)

Accession: 001038694

Download citation: RISBibTeXText

Related references

A multidisciplinary approach to the development of controlled breeding and intensive production systems for sheep. Management of Reproduction in Sheep and Goats Symposium: 01-108, 1977

Effect of progestagen employed in controlled breeding on the outcome of artificial insemination in sheep. Irish Re ic, University College Dublin: Faculty of General Agriculture Research report 1974-75: ; 53-54, 1978

Developments in controlled breeding of sheep and their implications for the New Zealand sheep industry. Massey Univ Sheepfarming Ann : 129-136, 1966

A preference-based approach to deriving breeding objectives: applied to sheep breeding. Animal 6(5): 778-788, 2012

Cooperative development of sheep breeding, sheep rearing and new breeding of Merino wool sheep in Erfurt County. Tierzucht 35(1): 29-33, 1981

Controlled breeding in sheep. 1988

Controlled breeding in sheep. Irish Veterinary News 11(5): 17-26, 1989

Controlled breeding in sheep. New developments in sheep production Occasional Publication No 14 Proceedings of a symposium organised by the British Society of Animal Production, Malvern, October 1989: 23-37, 1990

Controlled breeding in sheep. Research report 1980-1981, Faculty of General Agriculture, University College, Dublin: 7, 1982

Controlled breeding in sheep. Irish Veterinary Journal 28(6): 118-126, 1974

Controlled breeding of sheep. UK, Agricultural Research Institute of Northern Ireland: Fiftieth annual report, 1976-1977: 19-27, 1976

Controlled breeding of sheep. Vet. Rec, 83: 81, 1968

Advances in controlled sheep breeding. Proc New Zealand Soc Animal Prod 20: 42-53, 1960

Studies in controlled breeding of sheep. Dissertation Abstracts International, B 39(2): 456-457, 1978

Controlled breeding of the sheep and goat. Riproduzione animale e fecondazione artificiale: 261-266, 1972