e-ISSN 2231-8542
ISSN 1511-3701

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Effects of Handling on Hatchability of Eggs of the Leatherback Turtle, Dermochelys coriacea (L.)

E.H. Chan, H. U. Salleh and H.C. Liew

Pertanika Journal of Tropical Agricultural Science, Volume 8, Issue 2, August 1985

Keywords: Leatherback turtle; hatchery; infertility rate; handling; hatchability

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The infertility rate among clutches of leatherback sea turtle (Dermochelys coriacea) eggs incubated in the hatchery at Rantau A bang, Malaysia is estimated at 22%. Variance in hatchability among fertile clutches ranges from 35. 7 - 96. 7% (x = 78%) for eggs handled with maximum care. For such eggs hatchability did not show a correlation with the time between oviposition and re burial. Leatherback eggs can tolerate rough handling only up to 5 hours after oviposition. Beyond this threshold, careful handling to prevent rolling, bumping, rotation and disorientation of the vertical axis will enhance hatch rates.

ISSN 1511-3701

e-ISSN 2231-8542

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