Minecraft Feeding bug

My phone is redmi 4a

i can feed adult animals such as cow more than one time to breeding mode.(infinite feeding )..this is draining my wheat rapidly. not like in pc version....in minecraft pc i just can feed adult animal one time to breeding mode (1wheat for a adult cow to turning it on breeding mode)(this is good and normal).....please fix it ...and make the breeding system in minecraft pe to be like in minecraft pc

sorry for my poor english ...if u dont believe me...you can try to feed a cow with a a stack of wheat at survival mode...and see what is happen