In the jousei series Oruchuban Ebichu, the character of Ma-kun is apparently attracted to the main hamster character of Ebichu. He treats her to ice cream and blushes around her, but never makes any overt sexual gestures (since he's a human and she's a ******* anthropomorphized hamster...) Instead, he channels that sexual energy into pleasing his girlfriend, who has no idea he's turned on by, well, a cute rodent. Everyone is happy, no one is harmed.
Ma-kun doesn't deny his attraction to Ebichu, but he doesn't act on it directly either. And he's not a zoophobe as a shameful response to it.
But that's where a lot of homophobes land - they are faintly turned on by homoerotic imagery, are shamed by it, and go into full blown crazy denial mode over it. That doesn't mean they're necessarily ***, and in fact most of them are still very much het. It does mean, however, that they're afraid they might be ***, and go overboard attacking gays as if by punishing their own internal arousal at the homosexual act they can banish it.