41.   Researchers at the University of Pennsylvania report that cats who refuse to use their litter boxes do much better after they chew a little Valium with their Tender Vittles.

42.   Sanders said they decided to try litter box training little Tofu because they lived in downtown Atlanta when they bought him.

43.   Severely arthritic pets may stop trying to get to the litter box or doggie door because of aching joints.

44.   Several litter boxes can be placed about the home to determine which location the cat prefers, she added.

45.   She changes litter boxes twice a day, scrubs and mops food and waste areas daily, and spreads oil sponge on the ground as needed.

46.   She served his food on the floor, next to the cat litter box.

47.   So grab a clean litter box, show it to the cat, and voila.

48.   Smelly litter boxes can send some cats in search of new material -- such as carpet, a bathtub or whatever.

49.   Sometimes the removal of a litter box, or its previous location, is the heart of an elimination problem.

50.   Some cats may prefer having two litter boxes.