1. New traits to improve genetic merit for fertility

    The Fertility Breeding Value (BV) has led to gradual improvements in genetic merit for fertility. Under “Pillars of New Dairy System”, we aim to increase the accuracy of the Fertility BV to accelerate genetic improvement in fertility.


  2. Genetics and liveweight gain influence heifer puberty timing

    DairyNZ’s latest research indicates an ‘age at puberty’ trait has potential to increase the rate of genetic improvement in cow fertility.


  3. Pillars of a new dairy system

    The Pillars of a new dairy system is an eight-year DairyNZ-led research programme that aims to provide management and genetic solutions to improve cow health, fertility and longevity.