Calves
Changes for Calf Diets
Take a closer look at dietary energy for young calves, says Dr. Jim Drackley of the University of Illinois. New dairy nutrition modeling (NASEM 2021) enables more accurate prediction of growth in calves fed milk and milk replacer across a wider range of management systems. Think “energy-allowable growth.”
Colostrum Challenge: Choline vs. Seasonal Drop
By late October, many dairy operations experience a decline in colostrum supply, which is critical to the health of newborn calves as their primary source of passive immunity. This seasonal decline varies greatly by farm, by cow, and by other factors, but correlates with lessening daylight. Shorter days, less colostrum.