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.
Flies are more than just an annoyance for calves in warm weather. High fly populations also can spread diseases among calves; cause stress and reduced immunity; and negatively impact growth and weight gain.
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.
Researchers at UC-Davis have developed a handy, easy-to-use diagnostic tool to streamline monitoring of calves for respiratory disease, so they can be detected and cared for early in the disease process.