Item | Experimental diets | SE | Sig | |||||||
---|---|---|---|---|---|---|---|---|---|---|
SBM | BCSM | CSM | SSM | |||||||
Nitrogen balance (g/head/day) | ||||||||||
Nitrogen intake | 20.80 | 22.19 | 22.70 | 23.08 | 0.51 | NS | ||||
Fecal nitrogen | 7.01b | 9.02a | 5.19c | 6.69b | 0.49 | * | ||||
Urinary nitrogen | 12.32a | 9.31b | 5.46c | 10.37b | 0.77 | ** | ||||
Digestible nitrogen | 13.79c | 13.17c | 17.51a | 16.39b | 0.64 | * | ||||
Nitrogen retention | 1.47c | 3.86bc | 12.05a | 6.02b | 1.22 | ** | ||||
N retent./N intake (%) | 7.07c | 17.40b | 53.08a | 26.08b | 5.37 | ** | ||||
N retent./digest. N (%) | 10.66c | 29.31b | 68.82a | 36.73b | 6.64 | ** | ||||
Nitrogen balance (mg/kg w0.75) | ||||||||||
Nitrogen intake | 360.52 | 429.99 | 444.13 | 427.80 | 17.68 | NS | ||||
Fecal nitrogen | 120.34b | 174.58a | 101.52b | 124.11b | 10.10 | * | ||||
Urinary nitrogen | 212.96a | 180.10a | 106.69b | 192.07a | 13.19 | ** | ||||
Digestible nitrogen | 240.18 | 255.41 | 342.61 | 303.69 | 20.63 | NS | ||||
Nitrogen retention | 27.22c | 75.31bc | 235.92a | 111.62b | 24.39 | ** | ||||
N retent./N intake (%) | 7.55c | 17.51b | 53.12a | 26.09b | 5.37 | ** | ||||
N retent./digest. N (%) | 11.33c | 29.49b | 68.86a | 36.75b | 6.64 | ** |