Moody accepted full responsibility after one of his staff mistakenly applied the poultice.
He said he loved the racing industry that had created a great living for him but admitted it was starting to wear thin. "I've got to the point where I don't care and that really saddens me," Moody said.
"It's affecting my business, it's affecting my mentality and it's affecting my ability to train my horses."
Moody said his legal team would not be happy with his outburst.
He says he might not be willing to risk his finances in fighting his cobalt case. "I'm not going to make a rash decision.
"I will have a chat with my legal team tonight, my wife, take it all in.
"It's becoming a pretty thin piece of glass I'm looking through at the moment."
Moody said common sense should have prevailed in the scratching of Lady Tatia because the rule states the horse "may" be scratched.
"Am I bad for this industry? Maybe people out there think I am, [then] maybe they need to take my licence off me and push me away," he said.AAP