When raising replacement heifers, cost per pound of gain is a far more important metric than daily feed cost, according to Tamilee Nennich, dairy nutritionist and board member for the Dairy Calf and Heifer Association.
Hot and dry cornfield conditions are breeding grounds for dangerous aspergillus ear and kernel mold that produces aflatoxins. This toxin is a carcinogen, can harm livestock and can lead to rejection at the elevator.
The health and productivity of young calves can be affected by a wide range of metabolic and pathogenic conditions. Among the maladies that can profoundly affect calves’ health is their intake and balance of sodium.
Summer climate changes mean preweaned calves need more water in their diets to prevent dehydration. But calf and heifer specialist Sam Leadley says calves also need water year-around for optimal digestive development.