J. Appl. Poult. Res.
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J APPL POULT RES 2000. 9:48-52
© 2000 Poultry Science Association
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Research Reports

Effects of Two Turning Frequencies on Incubating Ostrich Eggs

H. R. Wilson, A. R. Eldred and C. J. Wilcox

Department of Dairy and Poultry Sciences, P. O. Box 110920, University of Florida, Gainesville, FL 32611-0920; Phone: (352)-392-5594; FAX: (352)-392-5595

Correspondence: H. R. Wilson, E-mail:Wilson{at}animal.ufl.edu

A study utilizing 1619 ostrich eggs was conducted to compare two turning frequencies during incubation. Eggs were set in the incubators with air cell up and automatically turned through approximately 90° either 24 times per day or 8 times per day. Eggs turned 24 times per day had higher hatchability (P=. 057) than those turned 8 times per day, whereas egg weight loss and chick weight as percent of egg weight did not differ between treatments. Based on these results it seems that ostrich eggs set large end up should be turned more than 8 times per day.

Key Words: Egg weight loss • hatchability • ostrich • turning frequency






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