Semen Evaluation of Captive Hawksbill Turtles

Isao Kawazu; Konomi Maeda; Masanori Koyago; Ken Nakada; Yutaka Sawamukai

doi:10.2744/CCB-1064.1

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Isao Kawazu,¹ Konomi Maeda,¹ Masanori Koyago,² Ken Nakada,³ Yutaka Sawamukai⁴

¹1 Okinawa Churashima Foundation, 888 Ishikawa, Motobu, Okinawa 905-0206, Japan [ I-kawazu@okich
²2 Livestock Improvement Association of JAPAN, 301-5, Shibasawa, Shimoda, Tamayama, Morioka, Iwate 02
³3 Rakuno Gakuen University, 582 Midorimachi, bunkyodai, Ebetsu, Hokkaido 069-8501, Japan [ kenn
⁴4 Yokoo Veterinary Clinic, 2038-2 Sekiya, Nasushiobara, Tochigi 329-2801, Japan [ yutaka-s@sa2.

Abstract

This study presented information about the semen evaluation of captive male hawksbill sea turtles, Eretmochelys imbricata, based on an extended 15-mo study using the electro-ejaculation technique. In particular, we demonstrated that hawksbill sperm, which is underactive just after ejaculation, was activated by the presence of urine. The findings are useful for developing optimal semen collection techniques for future artificial insemination programs of hawksbill turtles.

Citation Download Citation

Isao Kawazu, Konomi Maeda, Masanori Koyago, Ken Nakada, and Yutaka Sawamukai "Semen Evaluation of Captive Hawksbill Turtles," Chelonian Conservation and Biology 13(2), 271-278, (1 December 2014). https://doi.org/10.2744/CCB-1064.1

Received: 20 June 2013; Accepted: 1 May 2014; Published: 1 December 2014

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