Comps attempt introd embryo in embryo transfer

A shrinkage method combining with medium-length hole and shallow hole

hole by hole blasting

hole by hole blasting technique

hole by hole detonating

hole by hole initiating

hole by hole initiation

Hole-by-hole

mid-and-deep hole combining shallow hole balsting

sight hole peep hole

2-cell embryo

4-cell embryo

Ⅹ-period chicken embryo

abnormal embryo

Abnormal embryo rate

aborted embryo

aborted seeds in embryo formation

abortive embryo

adventitious embryo