In:
Journal of Research in Veterinary Medicine, Uludag Universitesi Veteriner Fakultesi Dergisi, Vol. 42, No. 1 ( 2023-07-01), p. 32-36
Abstract:
Semen collection and insemination under field conditions may not always be done in similar and clean conditions. In this study, it was
aimed to investigate the pregnancy rates as a result of intracervical artificial insemination at three different doses of fresh semen under field conditions. In the research, 60 East Frisian sheep were divided into 3 groups(n=20) and 3 rams were used. In order to synchronize the estrus
in sheep, sponges impregnated with 20 mg flugestone acetate were placed in the all groups for 12 days. All sheep were injected with 500 IU PMSG to synchronize ovulation on the day the sponges were to be removed, and it was determined that all sheep showed oestrus within 24
hours. Sheep were inseminated intracervically with semen from 3 rams of the same breed in the same farm. Insemination doses were determined as 100x106 spt/ml for the first group, 200x106 spt/ml for the second group and 400x106 spt/ml for the third group. After insemination,
it was determined that 28 (43%) sheep did not have fertilization and showed heat again, and the other 32 (53%) sheep became pregnant. According to the statistical analysis results, the 3rd group (400x106) was found to be significantly more successful than the 1st group (100x106)
(P & lt;0.05). As a result, when the insemination doses were compared, it was determined that insemination with 400x106 spermatozoa/ml diluted
fresh semen was more effective in obtaining the high pregnancy rates.
Type of Medium:
Online Resource
ISSN:
2667-6745
DOI:
10.30782/jrvm.1250057
Language:
Unknown
Publisher:
Uludag Universitesi Veteriner Fakultesi Dergisi
Publication Date:
2023
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