P-42, r. 1 - Regulation respecting the administering of certain medications

Full text
1.2. The administering, for preventive purposes, of a medication belonging to one of the classes of antimicrobials of the “Category I: Very High Importance” to an animal intended or whose products are intended for human consumption is prohibited.
The prohibition provided for in the first paragraph does not apply in the case of an animal that does not show any signs of disease if that animal is part of a restricted group including sick animals that may, in accordance with section 1.1, be treated using a medication belonging to one of the classes of antimicrobials of the “Category I: Very High Importance” and if there is a serious risk of propagation of the disease by reason of the proximity of the animals.
O.C. 1110-2018, s. 1.