Quick Answer
Meat chickens pastured-raised often require special vitamins and minerals to maintain optimal health and productivity, particularly when foraging on diverse pastures.
Pasture Quality and Nutrition
Pasture-raised meat chickens benefit from diverse and nutrient-rich pastures. When pastures are predominantly composed of legumes like clover or alfalfa, they can provide adequate protein and energy for chickens. However, if pastures are mainly grass, vitamin and mineral supplementation may be necessary to ensure optimal health.
Vitamin and Mineral Requirements
Meat chickens require specific vitamins and minerals for growth, reproduction, and immune function. For example, vitamin A is essential for vision, immune function, and skin health, and can be synthesized from beta-carotene found in plants like leafy greens. A well-balanced supplement can include vitamin A (10,000 IU/kg), vitamin D3 (1,000 IU/kg), and calcium (1.5% of the diet) to address potential deficiencies. A general recommendation is to provide 100 grams of limestone (calcium carbonate) per 1,000 square feet of pasture.
Supplementation Techniques
When supplementing vitamins and minerals, it’s crucial to maintain a balance and avoid over-supplementation. A common approach is to provide a multi-vitamin and mineral mix specifically formulated for pastured poultry. This mix can be added to the chicken’s feed at a rate of 0.5-1% of their total feed intake. To avoid over-supplementation, monitor the chickens’ health and adjust the supplement levels as necessary. Regular blood tests can also help identify potential vitamin and mineral deficiencies.
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