It is narrated from Sayyiduna Salman bin Amir al-Dabbi (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "With the boy is his aqiqah, so shed blood on his behalf and remove the harm from him."
Through another chain the same narration is in these words: "The boy is held in pledge for his aqiqah, so shed blood on his behalf and remove the harm from him."
Through another chain the same narration is reported in the same words: "For the boy there is his aqiqah, so shed blood on his behalf and remove the harm from him."
Through another chain the same narration is reported in these words: "With the boy is his aqiqah, so shed blood on his behalf and remove the harm from him."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6176