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Submitted on: 26 September 2000.
Revised on: 15 November 2000.
Accepted on: 27 December 2000.
___________________Journal of Advanced Veterinary and Animal Research
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Submitted on: 13 September 2015.
Revised on: 30 October 2015.
Accepted on: 16 November 2015.
___________________Journal of Advanced Veterinary and Animal Research
Submitted on: 26 October 2006.
Revised on: 11 December 2006.
Accepted on: 15 January 2007.
___________________Journal of Advanced Veterinary and Animal Research
Submitted on: 06 October 2001.
Revised on: 12 January 2002.
Accepted on: 03 February 2002.
___________________Journal of Advanced Veterinary and Animal Research