Commodity science of secondary types of animal raw materials

In this book, the author gave a summary of the merchandise and technology of various secondary types of livestock production (intestinal raw materials, bristles, horse and cow hair, hoofs, horns, glands of imgrantic secretion, blood), hunting (Panta, deer horns and animal rods, hoofs, Technical fats, various glands used in pharmacology and perfumery industry, feather, fluff, deer veins) and hunting sea crafts (walrous beans, fangs Narvalov, whale and other) The resources of many of these minor in their economic importance categories of animal raw materials are still not fully and is not always rational, which opens up prospects for their further study, rationalization of the use and research of their new species. The publication is unique both on affected topics and the breadth of material coverage