This morning's score: out of 4, I have one capon, one probable slip, and two full cockerels. One of the cockerels is from last week, and he was not inclined to hold still again. The other is a red broiler, who was too jumpy to comfortably operate on. In fact, I am not going to try on any more of the red broilers, as they are all jumpy/nervous/high strung. Three GLWs for tomorrow morning, then four on Saturday morning.
I did a slight variation on the grab-and-pull method of extraction. I grabbed, twisted, then pulled a bit and twisted some more. Along with making it much easier to snip the wound-up membrane, and reduce bleeding, it also helped keep track of the pieces when the testes broke. These are all a little more than 14 weeks old, so the testes are getting a bit fragile before expanding, I believe.