Table 3 Comparison of nutrient concentration per 1000 kcal in diets for dogs with or without supplementation

Crude protein (g)

25.00

52.10

93.05 ± 34.64

79.57 ± 26.18

0.0625

Ether extract (g)

13.80

13.75

26.57 ± 16.09

30.46 ± 16.03

0.2312

Crude fiber (g)

–

–

4.51 ± 4.19

4.19 ± 3.25

0.6322

Ash (g)

–

–

3.33 ± 1.13

5.80 ± 3.92

< 0.0001

Calcium (g)

1.00

1.45

0.31 ± 0.31

1.77 ± 1.52

< 0.0001

Phosphorus (g)

0.75

1.16

1.16 ± 0.77

1.09 ± 0.61

0.1737

Ca:P¹ ratio

–

1.00

0.26 ± 0.22

1.78 ± 1.46

< 0.0001

Potassium (g)

1.00

1.45

0.77 ± 0.33

0.85 ± 0.46

0.2923

Magnesium (g)

0.15

0.20

0.25 ± 0.11

0.19 ± 0.11

0.0844

Sodium (g)

0.20

0.29

0.35 ± 0.29

0.51 ± 0.49

0.4390

Copper (mg)

1.50

2.08

7.30 ± 6.23

11.61 ± 12.37

0.1099

Iron (mg)

7.50

10.40

9.59 ± 5.02

15.34 ± 12.25

0.1228

Manganese (mg)

1.20

1.67

3.23 ± 2.69

3.96 ± 4.09

0.8873

Selenium (μg)

87.50

87.00

1.53 ± 7.02^a

0.00 ± 0.00^a

0.5085

Zinc (mg)

15.00

20.80

11.13 ± 6.93

14.98 ± 10.93

0.2592