Beast Training
Beast Training is a Hunter spell in the WoW Forever client.
Lets you train your pet with various abilities that you have learned how to teach.
Learned from
Learned from the quest Training the Beast at level 10, not from the Hunter trainer. Its reward also teaches Feed Pet, Revive Pet. Speculation: this is Classic's class quest; its reward spell is in the Forever client, but nobody has confirmed the quest in Forever yet.
Data from the WoW Forever client, build 1.60.1.70862, extracted .