This an an area that encompasses an individuals understanding, and ability to actually accomplish this. Growing frogs, and then expecting hormone injections to produce viable reproductive products is an absurdity.
It is also obvious that there exits an informational vacume concerning this.
While I understand some of the problems associated to Ceratophrys breeding, perhaps the most important aspect is that some just don't follow thru with preliminary
requirements or protocols, and endure a self imposed, premature defeat.
Only those that actually invest in the animals, time, and research will prevail.
( lets see, how many are there ? )