We assessed effects of tissue collection methods (i.e., patagial microbiopsy and down feathers) and chick age at sampling on morphometrics and 21-day survival of 600 captive neonatal northern bobwhite (Colinus virginianus). We observed minimal effects on morphometrics and no difference in survival among patagial microbiopsy (x ¯ = 0.96 ± 0.03), down feathers (x ¯ = 0.92 ± 0.04), and control (x ¯ = 0.86 ± 0.05) methods. DNA analysis from patagial microbiopsy, down feather, and egg tooth samples showed greater concentrations of DNA from patagial microbiopsy (x ¯ = 10.28 ± 1.74 µg/ml) than either down feather (x ¯ = 4.10 ± 1.74 µg/ml) or egg teeth (x ¯ = 2.35 ± 1.74 µg/ml).
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Vol. 73 • No. 7