The American Veterinary Medical Association (AVMA) has proposed using polled genetics as an alternative to dehorning. However, there are few polled dairy sires with high genetic merit for important economic indexes.
While lameness will never fully be eliminated from the herd, it is possible to make genetic improvements so that future animals can avoid lameness challenges.
The USDA’s Animal and Plant Health Inspection Service (APHIS) has issued a notice that Canada has updated its ID requirements for breeding cattle entering the country from the United States.
The amount and composition of milk produced by dairy cows appears to be more regulated by internal, annual biological rhythms than by environmental factors such as heat and humidity, according to Penn State researchers.