He was arrested after a local saw him naked with the animal in a field.
A medical examination concluded the goat had been abused. Gona pleaded guilty, but still received 10 years for the offence.
Meanwhile in England, a man who had sex with a goat was banned from every farm in the country.
Robert Newman was told in August he had to stay indoors between 7am and 7pm in case he transgressed again. The Metro had an exclusive shot of his victim.