Open Access
Table 3.
Daily balance of nitrogen, calcium and phosphorus in experimental chickens (g)
Indicator | Group | |||||
---|---|---|---|---|---|---|
Control | 1st experimental | 2nd experimental | 3rd experimental | 4th experimental | ||
NITROGEN | Received | 5.00±0.05 | 5.18±0.08 | 5.41±0.03*** | 6.10±0.03*** | 5.35±0.01*** |
Stored with feces | 0.50±0.05 | 0.51±0.01 | 0.47±0.01* | 0.50±0.01 | 0.51±0.01 | |
Digested | 4.50±0.05 | 4.67±0.07 | 4.94±0.03*** | 5.59±0.02*** | 4.84±0.01*** | |
Excreted in urine | 1.33±0.01 | 1.39±0.01** | 1.46±0.02*** | 1.36±0.02 | 1.2±0.02* | |
Deposited in the body | 3.17±0.05 | 3.28±0.06 | 3.48±0.02** | 4.24±0.01*** | 3.59±0.01*** | |
Utilization rate from accepted, % | 63.40±0.48 | 63.28±0.19 | 64.28±0.23 | 69.50±0.31*** | 67.09±0.35*** | |
Utilization ratio from digested, % | 70.46±0.38 | 70.20±0.17 | 70.36±0.21 | 75.76±0.26*** | 74.11±0.31*** | |
CALCIUM | Received | 1.35±0.02 | 1.41±0.02 | 1.47±0.01*** | 1.68±0.01*** | 1.46±0.01*** |
Stand out with droppings | 0.92±0.01 | 0.91±0.01 | 0.97±0.01* | 0.98±0.01* | 0.98±0.01* | |
Assimilated | 0.43±0.01 | 0.49±0.01* | 0.51±0.01* | 0.70±0.01*** | 0.48±0.01* | |
Utilization rate from accepted, % | 31.77±0.81 | 35.07±0.44* | 34.45±0.41* | 41.86±0.56*** | 32.98±0.70 | |
PHOSPHORUS | Received | 1.03±0.01 | 1.07±0.02 | 1.12±0.01*** | 1.26±0.01*** | 1.10±0.01*** |
Stand out with droppings | 0.67±0.01 | 0.68±0.01 | 0.72±0.01*** | 0.68±0.01 | 0.66±0.01 | |
Assimilated | 0.37±0.01 | 0.39±0.01 | 0.39±0.01* | 0.57±0.01*** | 0.45±0.01*** | |
Utilization rate from accepted, % | 35.43±0.70 | 36.46±0.32 | 35.39±0.43 | 45.68±0.55*** | 40.59±0.64** |
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