Sahih al-Bukhari — Prostration During Recital of Qur'an — Hadith No: 1074

Narrated Anas:The Prophet (ﷺ) said, "Whoever slaughtered the sacrifice before the `Id prayer, should repeat it (slaughter another one)." A man said "This is the day on which meat is desired." Then he mentioned the need of his neighbors (for meat) and the Prophet (ﷺ) seemed to accept his excuse. The man said, "I have a Jadha'a which is to me better than two sheep." The Prophet (ﷺ) allowed him (to slaughter it as a sacrifice). But I do not know whether this permission was general for all Muslims or not. The Prophet (ﷺ) then went towards two rams and slaughtered them, and the people went towards their sheep and slaughtered them

Narrated Jundab bin Sufyan Al-Bajali:I witnessed the Prophet (ﷺ) on the Day of Nahr. He said, "Whoever slaughtered the sacrifice before offering the `Id prayer, should slaughter another sacrifice in its place; and whoever has not slaughtered their sacrifice yet, should slaughter now

Narrated Anas:The Prophet (ﷺ) used to offer as sacrifices, two horned rams, black and white in color, and used to put his foot on their sides and slaughter them with his own hands

Narrated Anas:The Prophet (ﷺ) offered as sacrifices, two horned rams, black and white in color. He slaughtered them with his own hands and mentioned Allah's Name over them and said Takbir and put his foot on their sides