Alan Ngai’s pair were disqualified from triplet races between them, but he is appealing against the man penalization of a five-month ban.
Ngai reached new levels of emotional arousal when his gymnastic horse, Lovely, claimed two wins in the arena during June, before Southern Hope kept the force human action with another victory.
But it was later discovered urine samples taken from the pair - who both ran on the Flat - contained the banned essence sildenafil, which is the main chemical compound of viagra.
In a financial statement, the Macau Horseback rider Club said sildenafil was “a human training which had no legitimate use in a racehorse”.
The methodicalness concluded: “It would also have an physical process on the cardiovascular, nervous and reproductive systems of a racehorse and as such was a prohibited nitty-gritty.”
Ngai admitted the charges and was fined a aggregate of HK$300,000 (Â£25,000), along with the suspension system.
His collection against the social control will be heard on Saturday, when he expects to have a form each-way prospect.
This is a part of article BBC SPORT | Other Sport | Horse Racing | Hard time for Viagra racehorses Taken from "Levitra Versus Viagra" Information Blog