Boyd has many publications of training that he has delivered on youtube.
There are also numerous documents with reference to Boyd's training.
List of documents:
Livestock Handling Workshop - Page 6 & 17
Boyd educating high school students
Australian Animal Welfare Strategy
National Meat Industry Training Advisory Council Limited, Low Stress Livestock Handling
National Meat Industry Training Advisory Council Limited, Workshops
The Land Magazine, Forging a Prime Position
About Boyd Holden
ABC News, Educating Youth