The use of antibiotics in rearing preweaned calves has changed considerably in recent decades. Many operations are relying less on antibiotics today to keep their calves healthy. Some of that reduction has been due to regulation, and some by intentional management strategy.

In this quick video, MacDonald compares a sample of traditional, instantized milk replacer blend, versus the Autofeeder Blend.

Dairy calf management systems have changed considerably compared to past decades. Today, many dairies do not raise their calves on-site due to larger facilities, specialized management focus, and Concentrated Animal Feeding Operation (CAFO) considerations. Now, many baby calves of a week old or less are being transported across multiple states to be raised at dedicated calf nursery enterprises.