probiotic in poultry, swine feed for intestinal health and growth

poultry feed performance growth cost price production meat egg farm conversion fcr layer hens digestibility premixes additives protein nutrient nutrition gut health healthy concept conceptual designs products brochure intestine chicken broiler energy amino acid white background acidifiers pellet crumble animal diet probiotics prebiotic bacteria bacillus subtilis gastrointestinal tract git tight junctions intestinal lactobacillus saccharomyces clostridium microflora pathogens benefits coli salmonella antibiotics antibacterial mash probiotic swine