At what time of day this is done: Megillah 20b
What happens if one slaughters a celebration offering before dawn, when the Temple doors open: Zevachim 55b; Eruvin 2a; Yuma 62b
Whether Slaughtering of Offerings may be done by a non-Kohen: Pesachim 64b; Kiddushin 36b
Performing this service on a blemished animal: Temurah 6b