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Table 2 Serum 25(OH)D concentrations (ng/mL) in dogs classified according to the brand/manufacturer of the commercial dog food they are fed

From: The effect of diet on serum 25-hydroxyvitamin D concentrations in dogs

Manufacturer

Code

Cohort

Min

Max

Median

Acana

 

2

38.3

249.2

 

Blue buffalo

2

4

30.4

65.9

47.4

Bravo

3

3

36.0

80.7

73.3

Breeder’s choice

4

3

39.5

61.9

44.9

Canidae

5

7

47.5

75.5

71.9

Canine Caviar

6

3

56.8

61.1

57.1

Diamond

7

15

29.9

79.9

54.7

Dick Van Patten

8

6

60.3

136.0

70.1

Dr. Gary’s

9

4

63.2

140.0

88.1

Eagle pack

 

1

101.0

101.0

 

Earthborn holistic

 

1

107.0

107.0

 

Eukanuba

12

13

36.2

115.0

66.3

Evanger’s

 

2

40.5

56.4

 

Exceed

14

6

36.5

76.1

61.9

Exclusive

 

2

69.8

95.6

 

Fromm family

16

12

57.2

123.0

84.4

Hill’s

17

5

36.1

75.7

56.9

Holistic select

18

4

45.4

118.0

73.5

Homemade diet

19

18

9.5

129.0

86.2

Honest kitchen

20

4

37.8

76.4

63.0

Iams

21

8

51.5

89.2

60.5

Joe and Jack’s

 

1

73.2

73.2

 

K-9 kravings

 

1

75.4

75.4

 

Kirkland

24

26

38.4

145.0

84.4

Life’s abundance

 

1

61.8

61.8

 

Mixed

26

10

55.3

171.2

81.6

Natura

27

9

46.4

123.0

98.9

Nature’s variety

28

10

40.1

109.0

89.2

Nutri source

29

5

34.6

76.8

57.8

Nutrisca

 

1

122.0

122.0

 

Nutro

31

9

48.2

74.1

56.2

Orijen

32

4

59.7

153.2

100.1

Pedigree

 

1

74.1

74.1

 

Premium edge

 

1

73.1

73.1

 

Pro pac

 

1

75.3

75.3

 

Purina

36

53

23.9

212.8

70.8

Red flannel

 

1

47.0

47.0

 

Royal canin

38

6

16.9

66.1

52.1

Solid gold

39

4

43.9

127.0

69.1

Taste of the wild

40

44

32.6

124.0

67.7

VeRUS

 

2

44.8

45.0

 

Wellness

42

7

52.7

120.0

72.9

  1. Code represents the manufacturers code and correlates with Fig. 2. Cohort refers to the number of dogs in each diet group. Min, Max and Median refer to serum 25(OH) concentrations