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

Chan, Eng Heng and Salleh , H. U. and Liew, Hock Chark (1985) Effects of Handling on Hatchability of Eggs of the Leatherback Turtle, Dermochelys coriacea (L.). Pertanika, 8 (2). pp. 265-271.

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Abstract

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 reburial. 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.

Item Type:Article
Keyword:Leatherback turtle, hatchery, infertility rate, handling, hatchability
ID Code:2325
Deposited By: Nur Izzati Mohd Zaki
Deposited On:12 Nov 2009 14:51
Last Modified:27 May 2013 15:00

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