. 2019 Feb 20;7:e5828. doi: 10.7717/peerj.5828

Table 2. Stable isotopic composition (expressed as ‰), C:N ratio, ether extract (%), and the median proportion of four main ingredients (poultry, beef, maize, and C₃ grains) estimated by the MixSIAR of the wet dog foods produced by several companies.

id	δ¹³C	δ¹⁵N	C:N	EE	Poultry	Beef	Maize	C₃ Grains
1	−25.4	3.0	8.84	2	0.33	0.08	0.01	0.57
2	−23.1	2.6	5.89	–	0.35	0.05	0.01	0.57
3	−23.0	3.2	4.07	–	0.36	0.06	0.01	0.57
4	−23.0	2.9	6.07	–	0.36	0.06	0.01	0.56
5	−22.5	0.5	4.80	3	0.37	0.06	0.01	0.54
6	−22.5	3.2	9.55	3	0.40	0.06	0.01	0.51
7	−21.8	5.5	9.14	3	0.44	0.08	0.01	0.46
8	−21.2	1.0	5.27	3	0.50	0.07	0.01	0.40
9	−20.9	2.3	4.88	12	0.60	0.06	0.01	0.33
10	−20.7	2.8	5.77	3	0.65	0.05	0.01	0.29
11	−20.1	2.1	4.69	12	0.68	0.06	0.01	0.25
12	−20.1	1.3	5.12	3	0.59	0.09	0.01	0.30
13	−20.1	1.8	4.50	12	0.64	0.07	0.01	0.27
14	−19.7	3.3	5.54	3	0.77	0.05	0.01	0.17
15	−19.6	2.4	4.37	3	0.75	0.05	0.01	0.19
16	−19.2	0.7	4.66	6	0.40	0.21	0.01	0.35
17	−19.1	2.8	4.98	3	0.80	0.06	0.01	0.13
18	−18.6	2.5	6.71	6	0.69	0.12	0.01	0.16
19	−18.6	0.6	4.20	6	0.29	0.30	0.01	0.36
20	−17.8	5.2	6.79	6	0.45	0.31	0.01	0.21
21	−17.4	2.8	5.76	6	0.57	0.25	0.01	0.15

Table 2. Stable isotopic composition (expressed as ‰), C:N ratio, ether extract (%), and the median proportion of four main ingredients (poultry, beef, maize, and C3 grains) estimated by the MixSIAR of the wet dog foods produced by several companies.