Now i could be wrong but i dont see anything in that book calling a parrot beak asil an actual pure breed. My guess is they used kulang, thai and desi and when they inbred enough to get the deformed heads they kept family breeding them, only keeping the parrot beak headed
no they are not the same as indio gigante. brazillians are a composite breed with shamo, asil, and spanish gamefowl also sometimes thai and packoy and even pama and ganoi. basically you can breed them to your needs. i started with saab, rodgers, and pasquale brazillian and have added a little...