Table 1.

Indicators related to egg production traits in HEP and LEP

Indicators	HEP	LEP	P
Body weight at 300 days (g)	2836.13±99.60	2880.86±202.43	0.588
Age at first egg (day)	152.00±5.81	161.71±9.46	0.031
Egg number at 300 days	140.36±3.28	56.89±20.25	0.001
Average egg production rate at 300 days (%)	87.15±22.34	35.33±19.30	0.001
Ovarian weight (g)	73.13±18.76	64.46±31.92	0.525
Number of hierarchical follicles	5.63±0.74	4.00±1.26	0.011
Number of pre-hierarchical follicles
<2mm	0.84±0.29	0.91±0.25	0.605
2~6mm	2.89±1.28	3.70±0.91	0.199
2~6mm	3.76±1.86	4.57±2.23	0.456