It is not permissible, because it is carrion, and the Prophet, peace and blessings be upon him, forbade the sale of wine and carrion (1). Accordingly, the stuffed animals now found in the markets are unlawful to buy and sell.
If the stuffed animal is a rabbit, and it was preserved without being slaughtered—by being struck with an injection that killed it, after which it remained as it was—then it is unlawful, because it is carrion. But if it was slaughtered in the prescribed manner, yet its skin was not removed and it remained intact, then one should consider whether it serves any benefit. If it does, buying and selling it are permissible; otherwise, they are not.
His statement, “and impure manure,” means that the sale of impure manure is likewise invalid.
Manure is what is known as fertilizer, with which trees and crops are fertilized. This fertilizer falls into three categories: impure fertilizer, pure fertilizer, and fertilizer contaminated with impurity.
The sale of impure fertilizer is invalid, such as donkey dung, human excrement, and the like. The reason for this is that this type of fertilizer may not be used to fertilize with; that is, if someone fertilized with something impure, it would be unlawful.
However, most scholars permit fertilizing with impure substances, including fertilizing trees and crops with donkey dung and human excrement. According to this view, then, should we say that selling them is permissible because they can be put to use?
What appears to be correct is that it is not permissible, even though they may be put to use, because the Prophet, peace and blessings be upon him, when