In modern livestock management, “free-choice” or ad libitum feeding—where animals can eat as much as they want—is common. But Dr. Gustavo Lascano advocates for a more refined approach: precision feeding. This method mimics how animals would eat in the wild, where they would be prey animals constantly on the move, optimizing intake and rumen efficiency while minimizing waste and improving animal health.
Precision feeding is based on tailoring the diet of each animal to meet specific needs, taking into account their growth stage, weight, and production goals. This method enhances feed efficiency and reduces nutrient runoff, especially nitrogen and phosphorus, which can pollute air and water. According to Penn State Extension, precision feeding can significantly reduce environmental losses from dairy operations by providing just the right amount of nutrients without overfeeding (Penn State Extension, 2021).
The benefits are threefold:
• Environmental: Less excess nutrient excretion means less contamination of water and air.
• Economic: Lower feed costs and improved growth performance translate to higher farm profitability.
• Animal Health: Reduces metabolic stress and health issues that can arise from nutrient imbalances.
To implement this approach, farms can use technologies such as automated feeders and nutritional modeling software. By aligning feeding practices with natural ruminant behavior, precision feeding provides a clear path toward more sustainable and productive animal agriculture.
For more information on precision feeding, be sure to listen to our podcast interview with Dr. Gustavo Lascano.
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