Table 5.

Blood chemistry of Labrador Retrievers fed a grain-free diet for 26 wk (n = 8)

Blood parameter	Unit	Week			SEM	P-value
		0	13	26
Total protein blood	g/dL	6.29	6.36	6.25	0.13	0.8137
Albumin	g/dL	3.84	3.88	3.7	0.082	0.3048
Globulin	g/dL	2.44	2.46	2.56	0.15	0.8246
A/G ratio		1.59	1.6	1.52	0.1	0.8429
ALT	U/L	54.4a	38.1b	38.8b	4.28	0.0217
Alkaline phosphatase	U/L	40.1a	28.6b	23.8b	2.87	0.0019
Total bilirubin	mg/dL	0.30b	0.30b	0.36a	0.011	0.0004
Creatinine	mg/dL	0.85b	0.84b	1.14a	0.053	0.0008
Blood urea nitrogen	mg/dL	13.1c	17.8b	22.9a	1.34	0.0002
BUN/Creatinine ratio		15.5b	22.3a	20.2ab	1.74	0.0352
Phosphorus	mg/dL	4.16b	4.81a	4.01b	0.17	0.0075
Glucose	mg/dL	105a	103ab	98b	1.97	0.0655
Calcium	mg/dL	10.6	10.5	10.5	0.085	0.5582
Sodium	nmol/L	145ab	144b	146a	0.66	0.0597
Potassium	nmol/L	4.13b	4.30ab	4.43a	0.085	0.0635

^abcMeans in a row with different superscripts differ, P < 0.05.

A/G ratio, albumin to globulin ratio; ALT, alanine aminotransferase.