1)
Who did the Shechitah?
1.
Malbim: The Leviyim did. It says "mi'Yadam", for the Kohanim did Kabalah from Shechitas ha'Leviyim, and Zerikah.
Who did the Shechitah?
Malbim: The Leviyim did. It says "mi'Yadam", for the Kohanim did Kabalah from Shechitas ha'Leviyim, and Zerikah.