‏البيوع : Hadeeth No:3616 Ibn 'Umar (Allaah be pleased with them) reported that the people of pre-Islamic days used to sell the meat of the slaughtered camel up to habal al-habala. And habal al-habala implies that a she-camel should give birth and then the (born one should grow young) and become pregnant. Allaah's Messenger ...

‏الحج : Hadeeth No:3024 Jabir b. 'Abdullah (Allaah be pleased with him) reported: In the year of Hudaibiya (6 H ), we, along with Allaah's Messenger (way sallAllaahu alayhi wa sallam), sacrificed a camel for seven persons and a cow for seven persons....