Table-3.

Crossing estimates (±standard error) of body weight and egg traits.

Traits	Pure strains difference	Direct additive effect	Heterosis		Reciprocal effect
			Contrast	%
Body weight (g) at
4 weeks	65.37****±3.42	24.14****±2.36	27.55****±2.36	13.45****	8.54****±1.62
8 weeks	139.48****±18.39	76.85****±11.55	48.81****±11.55	8.41****	−7.11ns±6.99
Sexual maturity	−160.08**±56.91	−37.05ns±36.22	−142.48****±36.26	−8.15****	−42.99ns±22.48
Age at sexual maturity (d)	31.38****±4.51	19.28****±2.87	9.33***±2.87	5.58***	−3.59*±1.78
Egg number (egg)	−25.05****±3.63	−10.48****±2.34	−2.14ns±2.34	−4.62ns	−2.04ns±1.48
Average egg weight (g)	−10.08****±1.20	−4.61****±0.77	0.20ns±0.77	0.39ns	−0.42ns±0.49
Egg mass (g)	−1764.14****±198.39	−771.48****±128.20	−170.65ns±128.20	−6.79ns	−110.58ns±81.21

^*p≤0.05,

^**p≤0.01,

^***p≤0.001,

^****p≤0.0001, ns=Not significant