What Knife do younuse to slaughter the birds?

[AinaWGSD]

I use a #10 scalpel blade. Handles are cheap enough and I just switch blades when they get dull.

 

[Perris]

ditto.

 

[Tex452]

I use a medium size filet knife, I keep a sharpener with me and will have to hit it every now and then.
Works good.