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Fertility of the frozen ram semen

Indian Agricultural Research Journals

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Title Fertility of the frozen ram semen
 
Creator EL-GAAFARY, M N
CHEMBERLAIN, A G
AXFORD, R F E
OWEN, J B
 
Subject Fertility, Frozen semen, Semen
 
Description Semen was collected from 5 Welsh Mountain rams by means of an artificial vagina. After evaluation, semen was pooled and diluted with tris-based diluent at 1: 2 (semen: diluent). The diluted semen was cooled to 5°C over 2 hr and frozen either in straws or as pellets. Welsh Mountain ewes (217) were synchronized using sponges impregnated with medroxyprogesterone acetate for 12 days. On sponge withdrawal each ewe received a 350 ilu PMSG by subcutaneous injection. Inseminations were carried out 56 hr after sponge withdrawal. In trial 1, thawed semen which was frozen in straws or as pellets (400x 106 sperm Idose) was introduced into the first fold of the cervix. In trial 2, inseminations were carried out at either cervix, vagina, intrauterine or on the ovary. Higher fertility results were obtained after insemination with semen frozen as pellets than in straws, however, the differences were not significant. Frozen semen exhibited reduced fertility (P
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2014-01-09
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/36554
 
Source The Indian Journal of Animal Sciences; Vol 71, No 4 (2001)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/36554/16281
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences