The pigman's handbook of problem solving
Brent, Gerry
The pigman's handbook of problem solving - Marlborough: Crowood Press, 2010
9781847971951
Pigs and pig farming
Performance improvement
Pig diseases
Pig breeds
Pig welfare
636.4
The pigman's handbook of problem solving - Marlborough: Crowood Press, 2010
9781847971951
Pigs and pig farming
Performance improvement
Pig diseases
Pig breeds
Pig welfare
636.4