Chickens, Sheeps, Mooshrooms, and Pigs Don't Have "Feed Button"

When I Am On Creative I Was Trying To Feed and Breed Some Animals , Then I Discovered There Are Some Mobs Don't Have Its "Feed Button"

Steps To Reproduce Bug :
1.) Spawn or Find A Mob That Is Told On The Summary
2.) Feed It With Its Food (You Will See That It Don't Have Feed Button Not Like The Other Mobs Have It)

Tip: These are just some mobs that I discovered that have no feed button, I don't know that there a some don't have too