Table 3.

Summary of results of ANOVA or ANCOVA for the effects of diet and nestling age on size of internal organs

Age Diet Initial body mass
Fd.f.PFd.f.PFd.f.P
Intestine mass63.442,60<0.00010.341,600.6n.s.n.s.n.s.
Intestine length58.412,59<0.00011.021,590.32n.s.n.s.n.s.
Pancreas mass23.922,60<0.00014.051,600.049n.s.n.s.n.s.
Gizzard mass2.232,600.120.921,600.34n.s.n.s.n.s.
Liver mass1952,60<0.00018.891,600.0041n.s.n.s.n.s.
Pectoral muscle mass3742,59<0.00013.761,590.05724.691,59<0.0001