Happiness has been completely removed from the game. It looks like Tame Beast's tooltip just hasn't been updated yet. You don't need to feed your pet after taming it at all anymore.
Spell
Feed Pet
Physical
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Here's an interesting bit of useless information: you can drag and drop food onto your pet and it will activate this skill.
Bummer, what do I do with all the food that I am carrying around. Came here to find out why my pet has not been asking for food anymore.
Tooltip
Feeds your pet the selected item, instantly restoring 50% of its total health. Not usable in combat.
You may use the Beast Lore ability to identify what types of foods your pet will eat.
Spell facts
Datamined from the current retail build. Numbers that scale with level or stats are shown at their base value.
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Related
Community notes from Wowhead · 36 comments
Top 3 shown aboveThe comments below were written by Wowhead users. They are community notes, not TheWoWDB comments. See them in context on Wowhead.
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