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  1. 1995-01-01 Domesticated food producing animals in the world outnumber the human population, two to one. There are thousands of animal species in the world, yet, only a few have been successfully domesticated on a permanent basis and none within the last 2000 years. In fact, five species (cattle, sheep,...
  2. 1951-01-01 The purpose of this book is to provide a practical working manual and guide for poultrymen keeping layers in indiviual cages in relatively open house.