In diets of agricultural animals and poultry it is impossible to provide a high level of energy only due to grain forages. In this connection in diets enter vegetable and animal fats, and also fish oil.

- Poultry adult (hens, turkeys, ducks, geese), broilers - up to 1 % in forage.

- To Pigs of all periods of fattening no more than 0,3-0,5 ? on 1 kg of alive weight.

- To Fur animals - 2-3 % from weight of a diet.

It is necessary to bear in mind, that all fodder additives render on an organism of an animal various influence, depending not only on its physiological condition and conditions of maintenance, but also on a doze of the additive. Overdosing of these substances can result in undesirable consequences and even poisonings, though the term toxicity is not absolutely correct to use in connection with consideration of forages and fodder additives.

Thus, application of forages and fodder additives should be based on a profound knowledge of the data on pharmacology and toxicology, physiology and biochemistry, to feeding and technology of preparation of forages to feed.