Table 6.

Phenotypic correlations between RFI and some studied traits in Japanese quails.

Trait	Phenotypic Correlation
	Gray	White
Δ Body wt	−0.003	0.002
Feed intake	0.89 **	0.91 **
FCR	0.55 *	0.49 *
Prod%	−0.07	−0.05
Egg wt	0.11	0.18
Total protein	−0.21	0.22
Albumin	−0.38	0.38
Globulin	0.01	0.03
Cholesterol	0.23	−0.15
Triglyceride	0.51	0.20
Hemoglobin	−0.18	−0.40
Red blood cells	0.32	−0.49
Hematocrit	0.20	−0.50
Thrombocytes	−0.15	−0.14
Carcass	0.09	0.09
Liver	0.04	−0.22
Heart	−0.38	−0.03
Gizzard	0.09	−0.22

* p < 0.05, ** p < 0.01.