Protective collar for livestock, mainly sheep or goat cattle, characterized by comprising an adjustable ring (2) provided with a housing (3) able to incorporate at least one element (4) that gives off odor, for example a tablet impregnated of a volatile substance that scavenges wolves and foxes, said housing (3) being provided with lateral slots (5) that allow the exit of said odor, as well as a cover (6) to close it and access it to place or extract said element (4). (Machine-translation by Google Translate, not legally binding)1. Collar protector para ganado, principalmente ganado ovino o cabrío, caracterizado por comprender un aro (2) ajustable provisto de un alojamiento (3) apto para incorporar, al menos, un elemento (4) que desprende olor, por ejemplo una pastilla impregnada de una sustancia volátil que ahuyente lobos y zorros, estando dicho alojamiento (3) dotado de ranuras (5) laterales que permiten la salida de dicho olor, así como de una tapa (6) para cerrarlo y acceder al mismo para colocar o extraer dicho elemento(4).