J. Appl. Poult. Res.
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J APPL POULT RES 1992. 1:296-299
© 1992 Poultry Science Association
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Research Reports

Performance of Turkeys Subjected to Day and Night Feeding Programs During Heat Stress

M. Mamputu, D. L. Cunningham and R. J. Buhr

Department of Poultry Science, The University of Georgia, Athens, GA 30602; Phone: (404) 542-1325; FAX: (404) 542-8383

Correspondence: D. L. Cunningham

An experiment was conducted to evaluate the performance of two commercial strains of turkey poults (British United and Nicholas) subjected to two feeding programs (day or night feeding) during chronic daily heat stress (90°F for 9 hours) from 9 to 18 weeks of age. Neither day nor night feeding programs had significant effects (P>. 05) on body weight gain, feed usage, and feed conversion ratio, in the heat stress environment. Night feeding improved livability significantly (P<. 05) for both strains of turkeys. Although no advantage was found in net returns per bird for either feeding program, net returns per bird were significantly greater for British United Turkeys (B. U. T. ) due to increased livability rates and body weight gains.

Key Words: Heat stress • fasting • performance • turkeys






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