We're really hoping someone has some direction for us. We raise Netherland Dwarf show rabbits, and in the last 3 weeks our champion doe started losing weight, with no apparent cause. We first noticed that she had not eaten for 3 days, and when we weighed her, she had lost half a pound - significant on a rabbit that only weighs 2.2 lbs!. We have taken her to two different veterinarians and have treated her for both hairball and worms. Her teeth also check out fine. Our next step seems to be extensive blood work and X-rays, all at a pretty high price. (We're already in for about $250) I am just hoping someone has seen this before and can suggest a cause that maybe we can investigate without the broad spectrum testing. She will no longer eat rabbit food (pellets) but will eat some fresh greens, carrots, and timothy hay. We are also feeding her some kitten replacement formula, but she continues to lose weight almost daily. We are now weighing her in grams to more accurately watch. None of our other rabbits seem ill. One other thing to note, we have seen her sitting in an odd posture, with her head tilted slightly up and back - not normal. Anything is appreciated.