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Abstract
Because male sturgeon are harvested for meat at 2-4 years of age and females are retained for caviar production, being able to determine the sex of individual sturgeon has specific economical advantages. But it is difficult to tell females from males, especially when the fish are young (from hatch to 3 years old). This 5-page fact sheet describes the standard method and tools for determining the sex of sturgeon by direct examination of the gonad using a minimally invasive surgical procedure. Written by Frank A. Chapman and Joel P. Van Eenennaam, and published by the UF Department of Fisheries and Aquatic Sciences, November 2012.
References
Chapman, F. A. and C. Park. 2005. "Comparison of sutures used for wound closure in sturgeon following a gonad biopsy." North American Journal of Aquaculture 67: 98-101. https://doi.org/10.1577/A04-046.1
Chapman, F. A. and J. P. Van Eenennaam. 2007. "Sturgeon Aquaculture-Specialized Techniques: Determining the Stage of Sexual Maturity in Female Sturgeon for Artificial Spawning: The Egg Polarization Index or PI." http://edis.ifas.ufl.edu/fa153. https://doi.org/10.32473/edis-fa153-2007
Chapman, F. A. and J. P. Van Eenennaam. 2007. "Sturgeon Aquaculture - Specialized Techniques: Determining the Stage of Sexual Maturity in Female Sturgeon for Artificial Spawning: The Egg Maturation Assay." http://edis.ifas.ufl.edu/fa154. https://doi.org/10.32473/edis-fa154-2007
Giddings, F. D. 1997. Surgical Knots and Suturing Techniques. Giddings Studio Publishing.