New Zealand Cows  American Cows Body weight (kg) 495 565 Milk (kg) 5,300 5,882 Milk fat (%)  5.03 4.28 Milk protein (%) 3.74 3.50 From: Proc. New Zealand Soc. Anim. Prod. (2002) 62: 246-251 The same study also looked at the effect of grain feeding. The next table shows that although cows fed a typical … Continue reading Knowledge