Effects of morphological traits on body weight and analysis of growth-related genes of Parabramis pekinensis at different ages

Table 6 Path analysis of morphological traits on body weight in P. pekinensis

age	trait	correlation coefficient	direct effect	indirect effect
				X3	X4	X7		Σ
Y1	X3	0.986**	0.786	-	0.711	0.706		1.416
	X4	0.920**	0.114	0.103	-	0.094		0.197
	X7	0.892**	0.112	0.101	0.092	-		0.193
Y2				X3	X4	X9
	X3	0.786**	0.724	-	0.536	0.340		0.876
	X4	0.937**	0.195	0.144	-	0.116		0.260
	X9	0.637**	0.116	0.054	0.069	-		0.123
Y3				X1	X2	X5	X7
	X1	0.789**	0.508	-	0.470	0.424	0.418	1.312
	X2	0.775**	0.364	0.337	-	0.248	0.258	0.842
	X5	0.599**	-0.237	-0.198	-0.161	-	-0.210	-0.569
	X7	0.671**	0.354	0.291	0.251	0.314	-	0.856

Note: ** indicates extremely significant effect (P < 0.01). Y. body weight; X₁. total length; X₃. body high; X₄. body height; X₅. snout length; X₇. eye distance; X₉. caudal stalk height

ISSN: 2056-3132