Early fatality (1st to 4th day) is caused for example by genes within the structure of the egg, by the retention of the egg inside the tubes (retarded hatching) and by the hatching conditions (oxygen).
(Early fatality; is caused; by genes within the structure of the egg, by the retention of the egg inside the tubes (retarded hatching) and by the hatching conditions)
Early fatality
is caused
by genes within the structure of the egg, by the retention of the egg inside the tubes (retarded hatching) and by the hatching conditions