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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