Indian Journal of Animal Research

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Research Article

Indian Journal of Animal Research, volume 53 issue 9 (september 2019) : 1140-1143

Association of GnRH receptor gene polymorphism on testicular parameters and semen quality in HF crossbred bulls 

K.B. Iyer, M.V. Ingawale, S.V. Kuralkar, P.S. Bankar, S. Sajid Ali, R.S. Ingole, S.W. Hajare, C.H. Pawshe
1Department of Animal Reproduction, Gynaecology and Obstetrics, Post Graduate Institute of Veterinary & Animal Sciences, Akola-444 104, Maharashtra, India.
Cite article:- Iyer K.B., Ingawale M.V., Kuralkar S.V., Bankar P.S., Ali Sajid S., Ingole R.S., Hajare S.W., Pawshe C.H. (2018). Association of GnRH receptor gene polymorphism on testicular parameters and semen quality in HF crossbred bulls. Indian Journal of Animal Research. 53(9): 1140-1143. doi: 10.18805/ijar.B-3634.

ABSTRACT

The present research was conducted to study the association of GnRH receptor  gene polymorphism on testicular parameters and semen quality in fortyfour  HF crossbred bulls.  Two different genotypes GG and GA having amplification size 170, 118, 96 and 214, 170, 118 were identified, respectively. Genotypic frequencies were 0.82 (GG) and 0.18(GA) and gene frequency of G allele was 0.91 and for A allele was 0.09. The testicular parameters like scrotal circumference (SC), testicular width (TW), testicular thickness (TT) were non significant while testicular length (TL) was significant (P<0.05)   among two genotypes. Seminal attributes like semen volume (Vol) concentration (Conc.) initial motility (IM), post thaw motility (PTM), abnormal sperm rate (ASR) and acrosome integrity test (AIT)  were non significant while hypo osmotic swelling test (HOST) was significant (P<0.05)   among two genotypes. 

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