. 2013 Aug;79(16):4974–4984. doi: 10.1128/AEM.00924-13

Table 3.

Indices of rainbow trout fins in each treatment group

Fin	Index (mean ± standard error)
	Fishmeal diet		Grain-based diet
	High density	Low density	High density	Low density
Pectoral (left)^a^,^b	0.104 ± 0.002	0.108 ± 0.001	0.114 ± 0.001	0.117 ± 0.002
Pectoral (right)^a^,^b	0.106 ± 0.001	0.107 ± 0.001	0.115 ± 0.001	0.118 ± 0.002
Dorsal^a^,^b	0.088 ± 0.003	0.088 ± 0.005	0.091 ± 0.003	0.095 ± 0.004
Pelvic (left)^a^,^b	0.088 ± 0.001	0.088 ± 0.001	0.090 ± 0.003	0.096 ± 0.003
Pelvic (right)^a^,^b	0.097 ± 0.001	0.097 ± 0.001	0.102 ± 0.001	0.104 ± 0.001
Ventral^a	0.097 ± 0.001	0.099 ± 0.002	0.102 ± 0.001	0.104 0± 0. 02
Caudal (upper)^a	0.105 ± 0.001	0.109 ± 0.002	0.109 ± 0.001	0.113 ± 0.001
Caudal (lower)^a	0.103 ± 0.002	0.105 ± 0.001	0.109 ± 0.001	0.112 ± 0.002

Fin showed statistically significant differences between diet treatment groups (P < 0.05); no statistical differences were determined between the density treatment groups.

Fin showed statistically significant interaction (P < 0.05) between diet and density treatments.