Deleterious substances

For the purposes of section 74 (1) of the Act, the following substances are declared to be deleterious substances– (a) Salts soluble in water, if present in a feeding stuff in proportions likely to be injurious to the health of animals. (b) All substances (poisonous) except those naturally present in the material or materials from which the feeding stuff is derived. (c) Sand, silicious matter or other insoluble matter not naturally associated with ingredients of the feeding stuff which do not fall within the scope of this regulation or which, even if naturally so associated are present in greater proportion than the maximum than maybe expected in average commercial samples of the feeding materials. 410