From: Alternatives to antibiotics as growth promoters for use in swine production: a review
Items | Control | Antibiotics1 | Cecropin | SEM | P-value |
---|---|---|---|---|---|
Performance (day 13-19) | |||||
 Weight gain, g/d | 312a | 367b | 358b | 6.4 | <0.01 |
 Feed intake, g/d | 566 | 597 | 592 | 9.8 | 0.08 |
 Feed efficiency | 0.55a | 0.62b | 0.61b | 0.01 | <0.01 |
 Diarrhea incidence, % | 37.50 | 17.86 | 19.64 |  |  |
Nutrient digestibility | |||||
 Nitrogen retention, g/d | 10.1a | 11.5b | 10.7ab | 0.38 | 0.04 |
 Nitrogen digestibility, % | 73.2 | 76.9 | 75.0 | 1.20 | 0.17 |
 Energy retention, MJ/kg/d) | 2.5a | 3.0b | 2.8ab | 0.13 | 0.04 |
 Energy digestibility, % | 84.6 | 88.2 | 86.4 | 1.71 | 0.14 |