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Assessment Of Optimal Level Of Butylated Hydroxytoluene For Short Term Storage Of Broiler Breeder Semen

By: Sikander Abbas | Prof. Dr. Ijaz Ahmad.
Contributor(s): Dr. Ali Ahmad | Dr. Muhammad Shahbaz Yousaf.
Material type: materialTypeLabelBookPublisher: 2013Subject(s): Department of PhysiologyDDC classification: 1808,T Dissertation note: Short term Preservation of broiler breeder semen is an unnatural method in which spermatozoa faces oxidative stress, osmotic and thermal shocks. This affects preserved semen quality resulting in low conception rates. In order to overcome oxidative stress, Butylated Hydroxytoluene was used as antioxidant in poultry semen during short term preservation at 4ºC for 48 hours. Keeping in view the significance of BHT as a potent antioxidant, the present study was conducted to determine the significance of BHT inclusion in preserved Hubbard broiler breeder semen for reduction of oxidative stress. In the current study, semen from six (n=6) healthy broiler breeder was collected by abdominal massage and butylated hydroxytoluene (BHT) was added to the semen @ 0.5, 1.0, 1.5 and 2.0 mM. One group was kept control and no BHT was added to that group. The routine quality evaluation of semen for motility and concentration was made, extender was added and then semen was stored at 4°C for 48 hours. The parameters evaluated were percentage motility, plasma membrane integrity (HOST), viability (Live/Dead) and DNA integrity (Acridine orange assay). Seven samples were taken from each concentration of BHT and thawed individually in water bath at 37°C for 30 seconds and evaluated for quality parameters. In conclusion, the addition of 1 mM BHT to semen extender improved marginally the broiler breeder spermatozoa motility, viability, plasma membrane integroty and DNA integrirty at different period of time. In controled group the quality of semen after preservation was poor due to oxidative stress which will effect the fertility rate. The Butylated Hydroxytoluene has antioxidant properties, so inclusion of BHT in preserved Hubbard broiler breeder semen was tested in our research.
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Veterinary Science 1808,T (Browse shelf) Available 1808,T
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Short term Preservation of broiler breeder semen is an unnatural method in which spermatozoa faces oxidative stress, osmotic and thermal shocks. This affects preserved semen quality resulting in low conception rates. In order to overcome oxidative stress, Butylated Hydroxytoluene was used as antioxidant in poultry semen during short term preservation at 4ºC for 48 hours.
Keeping in view the significance of BHT as a potent antioxidant, the present study was conducted to determine the significance of BHT inclusion in preserved Hubbard broiler breeder semen for reduction of oxidative stress. In the current study, semen from six (n=6) healthy broiler breeder was collected by abdominal massage and butylated hydroxytoluene (BHT) was added to the semen @ 0.5, 1.0, 1.5 and 2.0 mM. One group was kept control and no BHT was added to that group. The routine quality evaluation of semen for motility and concentration was made, extender was added and then semen was stored at 4°C for 48 hours.
The parameters evaluated were percentage motility, plasma membrane integrity (HOST), viability (Live/Dead) and DNA integrity (Acridine orange assay). Seven samples were taken from each concentration of BHT and thawed individually in water bath at 37°C for 30 seconds and evaluated for quality parameters. In conclusion, the addition of 1 mM BHT to semen extender improved marginally the broiler breeder spermatozoa motility, viability, plasma membrane integroty and DNA integrirty at different period of time.
In controled group the quality of semen after preservation was poor due to oxidative stress which will effect the fertility rate. The Butylated Hydroxytoluene has antioxidant properties, so inclusion of BHT in preserved Hubbard broiler breeder semen was tested in our research.

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