| abstract |
The invention belongs to the field of biotechnology, and discloses a biological preparation, comprising the following components in parts by weight: 0.1-0.3 parts of sodium humate; 0.05-0.15 parts of yucca extracts; and 0.05-0.15 parts of black soldier fly oil and fat extracts. Through a series of animal breeding experiments, we can draw the following conclusions: the biological preparation of the present invention has obvious promoting effects on the chicken's feed-to-weight ratio, blood biochemical indicators, antioxidant indicators, ileal tissue immune indicators, and intestinal morphology and tissue structure. . |