Sexing and Staging Workshop

Oshkosh, WI    July 8, 2001



Fully developed male lake sturgeon gonads

 

Virgin juvenile and developing male lake sturgeon gonads

 

Virgin juvenile female lake sturgeon gonads

 

Early developing female lake sturgeon gonads

 

Early "yellow egg" female lake sturgeon gonads

 

"Black egg" and spent/recovering female lake sturgeon gonads

 

Lake sturgeon used during the workshop

 

Black eggs of lake sturgeon

 

Initial incision - 1

 

Initial incision - 2

 

Use of tissue forceps to pull back the skin

 

Insertion of allis forceps to manipulate the gonad

 

Use of the flashlight

 

Extraction of the gonadal tissue - 1

 

Observation of the gonadal tissue

 

Sexing by examination of the gonad

 

Closing the incision with sutures

 

Lake sturgeon abdominal surface

 

Initial incision - 3

 

Insertion of allis forceps - 2

 

Extraction of the gonadal tissue - 2

 

Opened abdominal cavity of lake sturgeon - 1

 

Opened abdominal cavity of lake sturgeon - 2

 

Examination of the gonads - 1

 

Examination of the gonads - 2

 

Examination of the gonads - 3

 

Dissection of an egg of lake sturgeon
 
 

Copyright 2001 Sturgeon AquaFarms, LLC.  All rights reserved.