Section 2. In this Act- "veterinary biological" includes hormones, vaccines, sera, toxins, anti­ toxins, antigens, micro-organisms living or dead, any other biological substance which is intended solely for use in the practice of veterinary medicine, and germplasm of animals for use in artificial insemination or embryo transfer; "veterinary medicine" means a substance or composition of synthetic origin applied or administered to an animal. whether used for therapeutic, prophylactic or diagnostic purposes or for the modification of an animal's physiological function or behaviour, or any substance or composition presented as having such properties or uses, and includes antibiotics, growth promoting substances and veterinary pesticides, such as those applied for control of diseases and ectoparasites of animals;

Section 4. The principal functions of the Authority under this Act shall be to -(p) regulate and control the manufacture, import, export, use, quality, suitability, packaging, labelling, transport, storage, sale and advertising of any veterinary biological and veterinary medicine;