Table 2.

Macroelements (g/100 g DM) contents of the studied dry dog foods ¹.

No 2	Ca	P	K	Na	Mg
1	0.451 a	1.075 o	1.349 r	0.660 s	0.094 a
2	0.759 cde	0.725 efg	0.953 kl	0.363 d	0.132 h
3	1.296 m	0.793 ij	0.882 j	0.407 f	0.120 cd
4	0.751 cde	0.535 b	0.831 i	0.313 b	0.097 a
5	1.640 pq	0.856 kl	1.082 o	0.431 hi	0.152 k
6	1.103 jkl	0.535 b	0.706 f	0.450 l	0.167 m
7	0.995 ghijk	0.717 ef	0.794 h	0.396 e	0.094 a
8	0.857 defg	0.475 a	1.182 q	0.482 m	0.184 o
9	0.636 bc	0.599 c	0.939 k	0.251 a	0.172 n
10	0.882 efgh	0.897 lm	0.588 ab	0.395 e	0.182 o
11	0.964 fghij	0.818 jk	0.883 j	0.687 t	0.152 k
12	1.522 op	0.660 d	1.004 m	0.834 u	0.181 o
13	1.109 kl	0.765 ghi	0.638 c	0.535 o	0.138 i
14	1.476 no	0.777 i	0.610 b	0.504 n	0.126 fg
15	0.561 ab	0.674 d	0.710 f	0.445 kl	0.218 r
16	0.855 def	0.548 b	0.849 i	0.533 o	0.112 b
17	1.145 l	0.928 mn	0.966 l	0.425 h	0.128 gh
18	1.554 op	0.900 mn	0.652 cd	0.438 jk	0.120 d
19	1.284 m	0.754 fghi	0.710 f	0.417 g	0.139 i
20	1.605 op	0.896 lm	0.827 i	0.437 ij	0.125 efg
21	1.030 ijkl	0.938 n	1.001 m	0.828 u	0.189 p
22	0.741 cd	0.537 b	0.997 m	0.631 r	0.159 m
23	1.746 q	0.754 fghi	0.832 i	0.503 n	0.149 jk
24	1.543 op	0.843 k	0.744 g	0.575 q	0.148 j
25	0.539 ab	0.735 fgh	0.833 i	0.417 g	0.121 de
26	1.315 m	0.690 de	0.676 e	0.436 ij	0.116 bc
27	1.345 mn	0.914 mn	0.663 de	0.406 f	0.124 def
28	0.915 fghi	0.767 hi	0.568 a	0.328 c	0.124 def
29	0.952 fghi	1.204 p	1.050 n	0.564 p	0.163 m
30	1.018 hijkl	0.549 b	1.149 p	0.430 hi	0.200 q
Contrast
Cereal-free foods	1.083 a	0.771 b	0.964 b	0.527 b	0.145 a
Cereal foods	1.091 a	0.750 a	0.713 a	0.428 a	0.144 a
MRL 3	0.500	0.400	0.500	0.100	0.07
MNL 4	2.500	1.600	-	-	-

¹ Means with at least one same letter in the superscripts (a, b, c, …) did not differ statistically at P = 0.05 (for all columns separately); ² the main ingredients of analyzed dog foods and division into cereal and cereal-free foods are shown in Table 5; ³ MRL, minimum recommended level [3]; ⁴ MNL, maximum nutritional limit [3].