TITLE

INDUCTION OF OESTRUS AND CONCEPTION RATES IN BULGARIAN MURRAH BUFFALOES AFTER FIXED-TIME ARTIFICIAL INSEMINATION (A PRELIMINARY STUDY)

PUB. DATE
September 2011
SOURCE
Bulgarian Journal of Veterinary Medicine;Sep2011, Vol. 14 Issue 3, p165
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The aim of the present study was to investigate the effect of oestrus induction and timed artificial insemination on conception rates in Bulgarian Murrah buffaloes. Fifteen lactating non-primiparous buffaloes weighing 550-650 kg, fed and reared uniformly, were included in the survey. The animals were submitted to transrectal ultrasonography and divided into two groups depending on the ovarian follicle size: Group I (n=8) with follicle size <10 mm and group II (n=7) with follicle size >10 mm. The Ovsynch protocol for oestrus synchronization and programmed insemination was used. The clinical signs of oestrus (uterine tone, oestral discharges, cervical passage), conception rates and oestrus signs in non-fertilized animals were determined. The results showed that follicle size could be used as a criterion in selecting candidates for oestrus and ovulation synchronization in buffaloes from the studied breed. Oestrus-related discharges were observed in considerably higher number of animals from group II (71.4%; P<0.05) as compared to group I (37.5 %). This oestrus synchronization and scheduled insemination protocols could be successfully used in Bulgarian Murrah buffaloes.
ACCESSION #
65826791

 

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