Submitted on: 27 June 2003.
Revised on: 11 July 2003.
Accepted on: 30 July 2003.
POLISH JOURNAL OF VETERINARY SCIENCES
Submitted on: 19 April 2022.
Revised on: 29 May 2022.
Accepted on: 17 June 2022.
POLISH JOURNAL OF VETERINARY SCIENCES
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