(1) It consists in whole or in part of any filthy, putrid, or decomposed substance.

(2) Its contents or container bears or contains any poisonous, deleterious, or nonnutritive substance in amounts which are injurious to the health of animals or humans when used as described or directed on the label.

(3) Its composition differs from, or quality falls below, that which it is purported or is represented to possess by its labeling or does not conform in all respects with its registration.

(4) If the methods used in or the facilities or controls used for its manufacture, processing, or packaging do not conform to current good manufacturing practices.

(5) If it contains an ingredient for which there is inadequate information to provide reasonable assurance of efficacy or that such ingredient does not present a significant or unreasonable risk of illness or injury.

(6) It is intended for ruminants and contains any material that contains protein derived from prohibited mammalian tissues.