. 2023 Sep 24;10(3):410–420. doi: 10.5455/javar.2023.j694

Table 3. Effect of zeolite supplementation on Plasma Ca concentration (mg/dl).

Plasma Ca concentration (mg/dl)	Diets			SEM	p-value
Plasma Ca concentration (mg/dl)	CON	Z-100	Z-200	SEM	Trt	Time	Trt × Time
At parturition
Ca^A	7.43^a	7.35^b	7.32^b	0.037	0.011	0.033	0.035
Ca^++B	3.53^a	3.49^ab	3.44^b	0.053	0.002	0.015	0.032
Ca⁺⁺/Ca^C	0.47	0.48	0.47	0.013	0.233	0.255	0.465
12 h postpartum
Ca	8.38^b	8.40^b	8.53^a	0.058	0.002	0.001	0.001
Ca⁺⁺	4.02^b	4.11^a	4.10^a	0.054	0.001	0.001	0.001
Ca⁺⁺/Ca	0.48	0.48	0.48	0.010	0.333	0.423	0.455
24 h postpartum
Ca	8.71^b	8.79^ab	8.88^a	0.061	0.015	0.027	0.044
Ca⁺⁺	4.03^b	4.16^a	4.21^a	0.056	0.005	0.039	0.038
Ca⁺⁺/Ca	0.49	0.47	0.47	0.011	0.689	0.825	0.844

^abcDifferent superscript letters above values indicate a significant difference of means (p ≤ 0.01). Diets: CON (control); Z-100(zeolite 100 gm/day/cow); Z-200 (zeolite 200 gm/day/cow). SEM: Standard Error of Mean. ^ACa: Total plasma Ca concentration; ^BCa⁺⁺: Ionized plasma Ca concentration; ^CCa⁺⁺/Ca: Ratio of Ca⁺⁺ to Ca.