Experimental group

Consumpted feed quantity g/100g BW/day

Calcium balance* in one day mg/per one bird

1) Control

9.9 ± 2.1^a**

2) Ricket (basic ration)

5.3 ± 1.0^b

(−) 24 ± 3

3) Basic ration + CaCO₃

6.4 ± 1.3^b

(+) 31 ± 5

4) Basic ration + CaCO₃ + D₃

9.9 ± 1.7^a

(+) 76 ± 4

5) Basic ration + АCaSC

6.9 ± 1.3^ab

(+) 37 ± 2

6) Basic ration + АCaSC + D₃

10.1 ± 1.9^a

(+) 79 ± 4