Should the one who is slaughtering the sacrifice utter the intention at the time of slaughter?

No File Exists
Check below answers in case you are looking for other related questions:
Is it permissible for the one who wants to offer an udhiyah to comb her hair using a hairdryer?
A sheep whose fatty tail has been cut off is not fit to be offered as a sacrifice

No File Exists
Related Answers:
For how many people is the udhiyah sufficient?
Can he slaughter the udhiyah with his left hand?
Can he offer a sacrifice on behalf of his wife with whom he has done the marriage contract but has not yet consummated the marriage?
Is it permissible for the one who wants to offer an udhiyah to comb her hair using a hairdryer?
A sheep whose fatty tail has been cut off is not fit to be offered as a sacrifice

Recommended answers for you:
The reason why it is forbidden to sleep on one’s belly
My mother’s rights over me, my rights over her, and the extent of my independence
Resisting sexual desires
What is ghusl required and when is it mustahabb?
Do women have to wear niqaab?