Breeding for better heat stress response

New research shows strong relationships between the level of a cow’s immune response and response to heat stress. The selective breeding of cattle based on their level of immune response is now well-established around the world. ‘High Immune Response’ (HIR) research, pioneered in Canada years ago, led to the development of patented testing method that enables cattle with inherently superior immunity and enhanced disease resistance to be reliably identified. The commercialisation of this t