Improved judging for bacon and pork pigs
Calder, A.
Improved judging for bacon and pork pigs - Salisbury 1961 - 1-3 p. - Federal Ministry of Agriculture. Bulletin No. 2166 .
Improved judging for bacon and pork pigs - Salisbury 1961 - 1-3 p. - Federal Ministry of Agriculture. Bulletin No. 2166 .