Effect of Progesterone Therapy on Embryo Survival in Cows of Lowered Fertility

Autor:	J.N. Wiltbank, L.C. Ulberg, L. E. Casida, H.W. Hawk, Black Wg, H. E. Kidder
Rok vydání:	1956
Předmět:	medicine.medical_specialty media_common.quotation_subject Progesterone therapy Fertility Embryo Biology Andrology Endocrinology Internal medicine Genetics medicine Animal Science and Zoology Food Science media_common Repeat breeder
Zdroj:	Journal of Dairy Science. 39:456-461
ISSN:	0022-0302
DOI:	10.3168/jds.s0022-0302(56)94769-5
Popis:	Summary Sixteen repeat breeder cows out of 36 (44.4%) that were injected with 50 mg. of progesterone per day beginning 3 days after heat had normal embryos at 34 days as compared with 12 (33.3%) in an equal number of uninjected control animals. Thirty-one additional animals were injected daily with 200 mg. of progesterone. Twelve of these animals (38.7%) had normal embryos at 34 days as compared with eight (25.8%) in 31 control animals.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4e0788a82fdb84ee94cad613754819e8 https://doi.org/10.3168/jds.s0022-0302(56)94769-5 Zobrazit plný text záznamu