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Table 1 Oviposition by female Panamanian golden frogs (Atelopus zeteki) given GnRHa treatments of 0.05, 0.1, 0.2, or 0.4 μg/g body weight. Data reflects the number and percent (%) of treated females that laid eggs, and those that did not lay eggs

From: Influence of oviposition-inducing hormone on spawning and mortality in the endangered Panamanian golden frog (Atelopus zeteki)

Treatment N # Females Ovipositing (%) Did not lay
No hormone 431 102 (23.7) 329 (76.3)
All GnRHa doses 90 49 (54.4) 41 (45.6)
P-value 0.00002
GnRHa μg/g BW N # Females Ovipositing (%) Pulse Response (%) Did not lay
Laid w/ 1 pulse Laid w/ 2 pulses
0.05 23 15 (65.2) 11 (47.8) 4 (17.4) 8 (34.8)
0.10 25 12 (48.0) 10 (40.0) 2 (8.0) 13 (52.0)
0.20 22 13 (59.1) 11 (50.0) 2 (9.1) 9 (40.9)
0.40 20 9 (45.0) 8 (40.0) 1 (5.0) 11 (55.0)
P-value 0.49 0.86 0.41 0.49