The competition between humans and animals for quality sources of nutrients is likely to increase continuously because of the ever-increasing world population. It is therefore imperative not only to improve feed efficiency but also to explore all the sources as a potential feed ingredient. Animal by-products have been used as a source of nutrients for many years, but they will play even more important roles in the future. The objective of this article is to review briefly selected by-product feeds of animal and marine origins used for food animal production.

How To Bolster Your Immune System

How To Bolster Your Immune System

All Natural Immune Boosters Proven To Fight Infection, Disease And More. Discover A Natural, Safe Effective Way To Boost Your Immune System Using Ingredients From Your Kitchen Cupboard. The only common sense, no holds barred guide to hit the market today no gimmicks, no pills, just old fashioned common sense remedies to cure colds, influenza, viral infections and more.

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