University of California

Effects of early handicaps on chickens as measured by yolk absorption and body weight to twenty weeks of age


Sylvia L. Parker

Author Affiliations

Sylvia L. Parker was Assistant Professor of Poultry Husbandry and Assistant Poultry Husbandman in the Experiment Station.

Publication Information

Hilgardia 4(1):1-56. DOI:10.3733/hilg.v04n01p001. March 1929.

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Abstract does not appear. First page follows.

General Problem and Literature

That growth is markedly influenced by environmental factors is well known. The precise effects and optimum conditions have been the subject of so many investigations that reference can be made only to those which have the most direct bearing on the experiments reported here. Most of the previous investigations have been concerned with the results obtained when the experimental subjects were kept continuously under the particular environmental conditions. The point with which the present experiments are primarily concerned is the question of how permanent the effects of environmental handicaps are, when those handicaps are maintained for only a short time, during the early life of the subjects.


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Parker S. 1929. Effects of early handicaps on chickens as measured by yolk absorption and body weight to twenty weeks of age. Hilgardia 4(1):1-56. DOI:10.3733/hilg.v04n01p001
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