After everything was executed exactly as directed by Lord Śiva, Dakṣa’s body was joined to the head of the animal meant to be killed in the sacrifice.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
विधाय कार्त्स्न्येन च तद्यदाह भगवान् भवः । सन्दधुः कस्य कायेन सवनीयपशोः शिरः
vidhāya kārtsnyena ca tadyadāha bhagavān bhavaḥ | sandadhuḥ kasya kāyena savanīyapaśoḥ śiraḥ
SB 4.7.8