Tolerance of Cobb-500 broilers to a supplemental Clostridium fermentation solubles broth in the diet.

SUMMARY Volatile short-chain fatty acids (SCFA) like butyric and acetic acid have been supplemented in poultry rations as a feed ingredient and nutritive supplement. A novel Clostridium fermentation solubles broth (MiruTyton™), containing SCFA, minerals, and amino acids was supplemented in a standard corn/soybean meal-based ration at a rate of 750, 1,500, 3,000, and 6,000 mg/kg to achieve approximately 277, 554, 1,108, and 2,216 mg/kg of ammonium butyrate in the diet. After six weeks, supplementation at all levels did not cause significant changes in the blood parameters or any live performance metric of mixed-sex Cobb-500 broilers (N = 1,920). Additionally, administering 6,000 mg/kg of MiruTyton caused no significant lesions in any of the tissue examined except for an increase (P