Encyclopaedia of Economic Zoology

Zoology is that branch of biology, which treats issues concerning animals. It is a vast and well-established branch, which touched almost every part of animal life. Animals of any species, particularly, mammals have a close mutual relationship with humans. Rather, they serve the mankind in various ways so rnuch so that even the wastes thereof pay off well. Skin of the animals, bones, fur, horns, f...