´Abu Bakr As-Siddiq narrated that:` The Messenger of Allah was asked: "Which Hajj is the most virtuous?" He said: "That with raised voices (Al-Ajj) and the flow of blood (of the sacrifice) (Ath-Thajj)."
Related hadith on this topic
Explanation & Benefits
Shaykh Dr. Abdur Rahman Freywai
1:
That is, it should have been sacrificed.
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 827