Volume 4 Issue Spl-3-ADPCIAD Article 9

Effect of unilateral cryptorchidism on mobility and velocity parameters of sperm in Mithun (Bos frontalis) semen

Perumal P1,*, Chang S1, Sangma CTR1, Khate K1 and Saminathan M2

1ICAR-National Research Centre on Mithun, Jharnapani, Nagaland – 797 106 (India)
2ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh- 243 122 (India)

Keywords: Mithun, Cryptorchid, Computer assisted sperm analysis, Motility and Velocity parameters

Page No: S116 - S122

Received - August 03, 2016; Revision - October 15, 2016; Accepted - October 30, 2016
Available Online - October 30, 2016


The present study was conducted to assess the motility and velocity parameters of sperm of normal intact and unilateral cryptorchid mithun bull by computer assisted sperm analyzer (CASA). Twenty ejaculates were collected from cryptorchid (n=10) and normal intact (n=10) bull. The different parameters assessed through CASA were static sperms (SM), Total Motility (TM), forward progressive motility (FPM), Average Path velocity (VAP), Average beat/cross frequency (BCF), Straightness (STR), Average straight line velocity (VSL), Average curvilinear velocity (VCL), Average amplitude of lateral head displacement (ALH), Wobble (WOB), Linearity (LIN), Elongation (EL). The result showed that these CASA parameters differed significantly (p<0.05) between the intact and cryptorchid mithun bull and intact mithun bull has significantly (p<0.05) higher value than cryptorchid mithun bulls. It was concluded that most of the CASA parameters were significantly lower in cryptorchid bulls than intact bull and however, due to the genetic hereditary nature of cryptorchid, these bulls should not be used for breeding purposes.

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