#$%^&*AU2006203630B220120517.pdf#####ABSTRACT A method and composition is provided for treating an intra-mammary infection in a lactating non-human animal, such as a lactating cow. A composition comprising penicillin, aloe vera and Centella asiatica is 5 administered internally to the mammary gland of the non-human animal, typically to treat mastitis or associated infections. The composition is also suitable for treating a microbial infection or for healing internal wounds in the mammary gland of a non-human animal, such as a cow. 18