Originally Posted by Sandra
My bun (who is about 5 months old), for some reason, has stopped using his litter box. He used to be so clean. Is there any reason he stopped using his litter box? He as a normal litter box for bunnies big enough for him. I use Aspen woodshaving and I put hay in his box. Any suggestions on how to encourage my bun to use the litter box again? I am getting discouraged. Every time I see him peeing out of the box, I say "no" and get him in the box saying "this is where you are suppose to pee" BTW my bun is not fixed but will be soon.
You will have to deal with this problem until his is castrated. Males sexual matury at 4-6 months of age. When they reach that age, they usually become more aggressive and territorial (the latter is what contributes to the litter box problems). They will urinate and leave droppings outside of the litter box as a way to mark their territory. I can't recommend much, as neutering will be the only way to solve this problem. Once he is neutered, it will take about 1-2 months for the hormones to settle down and for him to start using his litter box normally again. You can try to deter his messy behavior by telling him "no," but it won't help that much unless he is fixed... his hormones are going nuts right now and it really isn't his fault that he is having trouble with the litter box.
The aspen and hay litter is a no-no as well. Like others suggested, having food (hay) in the litter box may send mixed signals to the bun. Also, if the rabbit urinates on the hay and it gets moldy, and then he tries to eat it, this also can cause problems. As for the aspen, it is not odor controlling or very absorbant (and its messy and gets all over the place). You can try Feline Pine.. its a great litter, but (at least in my area), is very expensive. You may want to look into Wood Stove Pellets, which can be bought at a hardware store. I never used them for my rabbits personally, but have heard much praise about them. Other littes you can look into are Yesterday's News, Cat Country, Kritter Country, or Bird Country. They are all so-so litters, but you can try them if you wish.