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Nutritional Requirements of Broiler Chickens

Nutritional management in 2026 centers on phase feeding, which tailors nutrient density to the specific physiological needs of the bird at different ages. A typical broiler diet is divided into three stages: Starter (days 0–14), Grower (days 15–28), and Finisher (day 29 to harvest). The Starter phase requires high protein levels (approx. 22–24%) and essential amino acids like lysine and methionine to stimulate early skeletal and organ development. As the bird matures, the focus shifts toward energy-rich “Finisher” diets with higher metabolizable energy (up to 3,200 kcal/kg) and lower protein (approx. 18%), designed to maximize breast meat deposition and fat cover before processing.

Beyond macronutrients, modern broiler nutrition increasingly relies on precision additives to optimize gut health and feed efficiency. In 2026, the use of exogenous enzymes—such as phytase and xylanase—is standard practice to help birds break down complex fibers and release bound phosphorus, reducing both feed costs and environmental waste. Furthermore, because of the global shift away from antibiotics, diets are now fortified with organic acids, probiotics, and essential oils that stabilize the intestinal microflora. This “functional nutrition” approach ensures that the flock maintains a low Feed Conversion Ratio (FCR) while building a resilient immune system capable of resisting common enteric pathogens.