The Egg—Development, Incubation, and Hatching
DOI:
https://doi.org/10.53607/wrb.v22.287Keywords:
egg, incubation, hatching, wildlife rehabilitationAbstract
Much of the information in this paper was obtained from the poultry industry, because that is where most of the research is currently conducted. However, the same principles apply to wild birds. Egg size, number of eggs per clutch, color, frequency of egg-laying, and shape are inherited. Regardless of a bird’s age, the number of eggs it lays, their size, shape, shell color, texture, and strength can be affected by a variety of things including environmental stress, improper nutrition, medications, vaccinations, parasites, and disease.
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References
Brown, A. F. 1985. The Incubation Book. World Pheasant Association. Surrey, England: Spur Publications Co.
Cornell University website (www.cornell.edu). 2003.
Marquand, J. 1978. The Avian Embryo. Ohio State University Extension, Bulletin 633.
Mississippi State University website (www.msstate.edu). 2003.
Romanoff, A. L., and A. J. Romanoff. 1949. The Avian Egg. New York, NY: J. Wiley and Sons.
Romanoff, A. L. 1960. The Avian Embryo, Structural and Functional Development. New York, NY: The MacMillan Co.
Terres, J. K. 1980. Audubon Society Encyclopedia of North American Birds. New York, NY: Alfred P. Knopf.
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