Table 2.
Muramidase activity (LSU (F)/kg) and recovery (%) from the feed in starter, grower, and finisher phases in Experiments 1 and 2.
| Phase feeding, Exp. 1 | MUR1 doses LSU (F)/kg |
|||||
|---|---|---|---|---|---|---|
| 0 | 15,000 | 25,000 | 35,000 | |||
| Starter (1–21 d) | ||||||
| MUR activity LSU(F)/kg | 1,721 | 15,751 | 24,648 | 34,458 | ||
| MUR recovery (%) | 0 | 105 | 99 | 99 | ||
| Grower (22–35 d) | ||||||
| MUR activity LSU(F)/kg | 592 | 13,859 | 25,652 | 33,653 | ||
| MUR recovery (%) | 0 | 92 | 103 | 96 | ||
| Finisher (36–43 d) | ||||||
| MUR activity LSU(F)/kg | 454 | 11,556 | 21,900 | 31,027 | ||
| MUR recovery (%) | 0 | 77 | 88 | 89 | ||
| Phase feeding, Exp. 2 | MUR1 doses LSU (F)/kg |
|||||
|---|---|---|---|---|---|---|
| 0 | 25,000 | 35,000 | ||||
| Starter (1–21 d) | ||||||
| MUR activity LSU(F)/kg | 1,504 | 27,458 | 41,824 | |||
| MUR recovery (%) | 0 | 109 | 119 | |||
| Grower (22–35 d) | ||||||
| MUR activity LSU(F)/kg | 1,505 | 21,047 | 32,889 | |||
| MUR recovery (%) | 0 | 84 | 94 | |||
| Finisher (36–42 d) | ||||||
| MUR activity LSU(F)/kg | 1,585 | 20,013 | 29,752 | |||
| MUR recovery (%) | 0 | 80 | 85 | |||
1
Muramidase (gene coding Muramidase 007 obtained from the fungus Acremonium alcalophilum (strain 114.92), Novozymes A/S (Bagsvaerd, Denmark) were included according to the treatments (0, 15,000 LSU (F)/kg, 25,000 LSU (F)/kg and 35,000 LSU (F)/kg).