FatherFalcon
Songster
I remember some 1950s training video with the roosters getting stretched out and a very thin blunted rod in its trachea ~ 16-18cm and poking a hole in the tympaniform membrane without stabbing out the front of the neck…
Maybe it was some old way of doing the de-crowing method with or without cauterization.
“The Pioneer Way” ?
De-crow surgery
A large amount of the lateral wall of the syrinx was removed allowing air to flow into the intraclavicular air sac from the bronchi and trachea.
Devoicing the Chicken W. B. GROSS Department of Veterinary Science, Virginia Polytechnic Institute, Virginia Agricultural Experiment Station, Blacksburg, Virginia
Ref. https://pdf.sciencedirectassets.com...f175c5350515f5c0603&rr=863693ddff367c55&cc=us
Maybe it was some old way of doing the de-crowing method with or without cauterization.
“The Pioneer Way” ?
De-crow surgery
A large amount of the lateral wall of the syrinx was removed allowing air to flow into the intraclavicular air sac from the bronchi and trachea.
Devoicing the Chicken W. B. GROSS Department of Veterinary Science, Virginia Polytechnic Institute, Virginia Agricultural Experiment Station, Blacksburg, Virginia
Ref. https://pdf.sciencedirectassets.com...f175c5350515f5c0603&rr=863693ddff367c55&cc=us