Submitted on: 15 October 2016.
Revised on: 17 November 2016.
Accepted on: 22 December 2016.
___________________Frontiers in Veterinary Science
Submitted on: 22 July 2013.
Revised on: 15 August 2013.
Accepted on: 03 October 2013.
___________________Frontiers in Veterinary Science
Submitted on: 31 October 2015.
Revised on: 09 January 2016.
Accepted on: 11 February 2016.
___________________Frontiers in Veterinary Science
Submitted on: 04 June 2005.
Revised on: 09 September 2005.
Accepted on: 09 October 2005.
___________________Frontiers in Veterinary Science
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Submitted on: 15 November 1999.
Revised on: 14 December 1999.
Accepted on: 29 January 2000.
___________________Frontiers in Veterinary Science
Submitted on: 13 August 2013.
Revised on: 28 November 2013.
Accepted on: 10 January 2014.
___________________Frontiers in Veterinary Science
Submitted on: 03 February 2022.
Revised on: 16 April 2022.
Accepted on: 15 May 2022.
___________________Frontiers in Veterinary Science
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