Embryo Mortality.

Abstract

During the past year work has been continued along the lines of artificial incubation in the Department of Poultry Husbandry at the New Jersey Agricultural Experiment Station. The special purpose of the work done was a further endeavor to determine, at least some of the causes of embryo mortality. It is undoubtedly a conceded point that one of the weakest links in the chain of successful poultry production is to be found in the hatching of eggs. Every spring reveals the fact that man, with his artificial incubator has apparently not yet solved all the problems with which the mother hen is familiar. Too many germs develop even to the 21st day and then die. Many eggs pip and the chicks are unable to get out of the shell. Very probably a part of this loss may be traceable to the poor quality of the egg itself or to the . . .