Abstract

During the past decade the poultry population of the U.S. has increased considerably. However, there has been an 80% reduction in the number of commercial chick hatcheries, but the egg volume per hatchery has increased tremendously. This is evidenced by larger commercial incubating and hatching machines. In spite of the increase in size of hatcheries, improvements in management, in general, have not necessarily kept pace. Most of the improvements in hatcheries have resulted in refined temperature and humidity controls, stand-by power supplies, and general labor economies. The object of this study was to determine the fungous flora of large commercial chick hatcheries. Since this study has established the fungous flora, it would now be logical' to attempt, in future work, to relate the flora to the chick quality.

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