Quick Answer
PASTURE-ONLY FEEDING IS NOT SUSTAINABLE FOR MEAT CHICKENS AS IT FAILS TO PROVIDE THE REQUIRED NUTRITIONAL BALANCE, LEADING TO POOR GROWTH RATES, LOW EFFICIENCY, AND INCREASED RISK OF DISEASE.
Nutrition Limitations
Pasture-only feeding limits the nutritional intake of meat chickens, as they require a balanced diet that includes essential amino acids, vitamins, and minerals. A study by the University of Arkansas found that pasture-raised chickens grew at a rate of 0.25 pounds per day, compared to 0.55 pounds per day for conventionally raised chickens. This slower growth rate results in increased time and resources required to reach market weight.
Health Risks
The risk of disease increases in pasture-only feeding systems, as chickens are exposed to a higher risk of parasites, such as internal worms and external mites. According to the National Poultry Improvement Plan, internal parasites can reduce feed efficiency by up to 20% and increase mortality rates by up to 10%. Regular deworming treatments and parasite control measures are essential to maintain a healthy flock.
Practical Considerations
While pasture-only feeding systems are often considered more natural and environmentally friendly, they may not be the most practical or efficient option for commercial meat chicken production. To achieve a more sustainable and productive system, farmers can consider integrating pasture with supplemental feeding, using high-quality grains and protein sources to support growth and health. This hybrid approach can help optimize production while minimizing environmental impact.
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