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An Improved Method of Sexing Ring-Necked Pheasant Chicks
Eugene E. Woehler and John M. Gates
The Journal of Wildlife Management
Vol. 34, No. 1 (Jan., 1970), pp. 228-231
Stable URL: http://www.jstor.org/stable/3799518
Page Count: 4
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Sex of newly hatched pheasants (Phasianus colchicus) can be easily determined from presence in the male of a diminutive flap of papillary tissue corresponding to the cheek patch or wattle. Methods described in this paper gave sexing accuracy of 90.0 percent on males and 98.5 percent among females. Advantages over previous methods appear to be a slight gain in overall accuracy, greater speed, and applicability throughout the natal and juvenal plumages. Use of the technique at the Wisconsin State Game Farm since 1962 has enabled sexing of 900-1,000 day-old chicks per man-hour with minimum accuracy of 90 percent among cocks.
The Journal of Wildlife Management © 1970 Wiley