feed conversion ratio, fcr, poultry performance indicator

poultry feed performance growth cost price production meat egg farm conversion fcr ratio layer hens flock enzymes digestibility premixes additives protein nutrient nutrition gut health healthy material raw concept conceptual designs ideas products brochure intestine intestinal clostridium clostridia probiotics prebiotic vitamin chicken broiler energy amino acid white background standard peak genetic potential acidifiers pellet crumble animal phytase cellulose nsp exogenous indicator concepual farmer profits max file improve additive profits file