Table 1.

ANCOVAs testing for the effects of type (transgenic versus wild), oxygen treatment and egg mass on survival rate and body mass of coho salmon larvae.

effect	effect d.f.	error d.f.	F	p	ß
survival rate
type	1	190	16.49	<0.0001
treatment	3	190	103.46	<0.0001
type×treatment	3	190	4.55	0.004
egg mass	1	190	0.32	0.572	−0.001
larval mass
type	1	171	42.29	<0.0001
treatment	3	171	7.53	<0.0001
egg mass	1	171	536.57	<0.0001	0.001