Experimental group

Blood serum

Parathyroid gland relative weight, mg/100 g BW

Са, mmol/L

Р, mmol/L

Alkaline phosphatase, IU

1) Control (D₃)

2.66 ± 0.13^a*

1.52 ± 0.07^a

14.2 ± 2.18^c

0.53 ± 0.10^d

2) Rickets (basic ration)

1.98 ± 0.21^c

1.04 ± 0.06^c

38.7 ± 3.31^a

5.24 ± 0.45^a

3) Basic ration + CaCO₃

2.12 ± 0.08^c

1.14 ± 0.05^c

33.7 ± 3.13^a

3.50 ± 0.15^b

4) Basic ration + CaCO₃ + D₃

2.55 ± 0.11^ab

1.54 ± 0.09^a

17.3 ± 1.59^bc

0.72 ± 0.22^cd

5) Basic ration + АCaSC**

2.34 ± 0.11^b

1.30 ± 0.05^b

21.1 ± 2.37^b

0.80 ± 0.12^c

6) Basic ration + АСaSC + D₃

2.70 ± 0.15^a

1.53 ± 0.09^a

13.9 ± 1.74^c

0.50 ± 0.09^d