Table 3.

Standardized amino acid (AA) digestibilities (%) of frozen and freeze-dried raw dog foods using the precision-fed cecectomized rooster assay¹

Amino acid	Traditional freeze-dried nuggets	Hybrid freeze-dried nuggets	Frozen nuggets	SEM2	P-value
Indispensable AA
Arginine	94.13	94.24	95.62	1.87	0.8243
Histidine	81.70	85.49	86.59	3.04	0.5168
Isoleucine	91.86	91.22	93.10	2.14	0.8216
Leucine	93.68	92.43	95.28	2.03	0.6259
Lysine	86.67	91.32	91.70	2.14	0.2337
Methionine	93.76	92.75	94.92	1.42	0.5753
Phenylalanine	92.44	90.76	93.58	2.18	0.6693
Threonine	91.27	89.61	91.72	3.25	0.8910
Tryptophan	96.16	98.59	97.79	1.40	0.4885
Valine	91.92	90.15	92.91	2.50	0.7387
Selected dispensable AA
Alanine	91.58	89.74	92.59	2.01	0.6129
Aspartic acid	91.96	87.76	92.29	2.11	0.2884
Cysteine	77.68	73.92	84.03	6.98	0.6028
Glutamic acid	92.36	91.22	92.77	2.12	0.8675
Glycine	73.51	79.42	79.59	6.12	0.7337
Proline	87.17	86.67	89.84	3.41	0.7840
Serine	90.12	88.65	91.96	3.78	0.8288
Tyrosine	89.74	90.10	90.33	2.56	0.9868

¹ n = 4 roosters per treatment.

²Pooled standard error of the mean.