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1 May 2006 Reproductive Trends in Captive Heosemys grandis (Geoemydidae)
J. Michael Goode, Michael A. Ewert
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A 20-year record of captive breeding of a female Heosemys grandis revealed a tradeoff between egg size and clutch size across the years when she produced 2 clutches per breeding season. First clutches had few large eggs and second clutches had a large number of smaller eggs. Four F1 progeny from this founder female began their reproductive years with much smaller eggs; however, their eggs increased in size over successive years until they were the same size as those of the long-term breeder.

J. Michael Goode and Michael A. Ewert "Reproductive Trends in Captive Heosemys grandis (Geoemydidae)," Chelonian Conservation and Biology 5(1), 165-169, (1 May 2006).[165:RTICHG]2.0.CO;2
Received: 23 February 2004; Accepted: 1 April 2005; Published: 1 May 2006
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