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Effect of in vitro Selenium Addition to the Semen Extender on the Spermatozoa Characteristics before and after Freezing in Kundhi Buffalo Bull and in vivo Fertility Rate

Effect of in vitro Selenium Addition to the Semen Extender on the Spermatozoa Characteristics before and after Freezing in Kundhi Buffalo Bull and in vivo Fertility Rate

Nizam Uddin Jamali1, Asmatullah Kaka1,*, Pershotam Khatri1, Moolchand Malhi2, Muhammad Naeem3, Akeel Ahmed Memon1, Rameez Raja Kaleri4, Habibullah Janyaro5 and Dildar Hussain Kalhoro

1Department of Animal Reproduction, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tando Jam 
2Department of Veterinary Physiology and Biochemistry, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tando Jam
3Deparment of Livestock Management, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tando Jam
4Department of Animal Breeding and Genetics, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tando Jam
5Department of Veterinary Surgery, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tando Jam 
6Deparment of Veterinary Microbiology, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tando Jam 

*      Corresponding author: asmatullah.kaka@gmail.com

 

ABSTRACT

Present study was conducted to determine the effect of in vitro selenium addition to the semen extender on chilled and frozen thawed quality of Kundhi buffalo bull semen. After collection ejaculate was brought in Semen Production Unit. Semen was evaluated as fresh for volume, colour, motility, morphology, live dead ratio, membrane integrity and sperm concentration, post chilling for motility, morphology, live dead ratio, membrane integrity and frozen thawed for motility, morphology, live dead ratio and membrane integrity. Semen volume and colour were determined by visual examination, pH was determined by digital pH meter. Motility was determined under microscope at10x magnification, morphology and live dead ratio was assessed using eosin nigrosin stain under 40x magnification, concentration was calculated by hemocytometer, membrane integrity was examined by HOST solution. Conception rate was determined by inseminating 20 buffaloes (10 control and 10 best treatment group). After initial examination semen sample having motility ≥ 70% and morphology live dead ratio ≥ 80 % were diluted in Tris based extender consist of 0,2,4 and 6mM concentration of selenium. Four hours after dilution chilled semen was examined for post chilled semen quality, motility% (74.75±1.9), morphology% (86.62±1.2), membrane integrity% (87.87±0.6), live dead ratio% (87.62±0.7). After that samples were frozen for 24 hours, frozen thawed results showed motility (57.00±0.5), morphology (73.50±1.5), membrane integrity (70.00±0.01), live dead ratio (72.00±0.8 were high in 2mM/ml concentration of selenium. Overall results showed that 2mM/ml concentration of selenium improved chilled and frozen thawed quality of semen than control and other treatment groups. In conclusion, supplementation of selenium in Tris extender improved the chilled and frozen thawed quality characteristics and conception rate in Kundhi Buffalo bull semen.
 

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Pakistan Journal of Zoology

April

Vol. 51, Iss. 2, Pages 399-799

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