A2A2 sires increase the prevalence of A2 milk on your dairy.
Beta-casein gene influences production of milk protein casein which has Aq & A2 variants
- A2 milk is potentially linked to health benefits associated with:
- Autoimmune disease
- Heart disease
- Type 1 Diabetes
- Neurological Impairment on Autism & Schizophrenia
A single gene controls beta-casein production
Herds can convert to 100% A2 milk within 4 years using intensive selection.
Health benefits are still being debated in the research community
A2 milk is selling at a premium
A2 variant is becoming more common in Holstein sires >2500 GTPI