Abstract: The present disclosure concerns an adjustable mammal leg brace comprising: an elongated brace support having a lower portion and a longitudinal direction; a hoof-supporting base engaged with the lower portion of the elongated brace support and extending rearwardly therefrom; and at least one leg-abutting block comprising a leg-receiving surface and being engaged with the elongated brace support above the hoof-supporting base, the at least one leg-abutting block being at least one of pivotably mounted to and translatable along the elongated brace support. It also concerns a brace-receiving stand to receive and support a horse leg brace, comprising: a supporting base having a ground-contacting surface; and a brace-receiving portion pivotably mounted to the supporting base and having a brace-receiving surface. It also concerns a mammal leg brace assembly comprising such an adjustable mammal leg brace and a brace receiving stand, and a kit for forming the same.