Is it permissible to sell an animal for the price of the weight of the meat it yields after slaughtering it, with an agreement on the price per kilogram? What is the jurisprudential interpretation of this issue? Is this transaction valid for purchasing an Udhiyah (sacrificial animal)? Who is the owner at the time of slaughtering the Udhiyah? Who guarantees the animal if it perishes before slaughter?
For a sales contract to be valid, the price must be known and specified. If a sheep is sold for the weight of its meat after slaughter, the sale is not valid due to the uncertainty of the price. This is agreed upon by the four schools of thought (Hanafi, Maliki, Shafi'i, and Hanbali), because ignorance of the price leads to dispute and invalidates the sale. Therefore, the aforementioned sale is not valid.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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