''Micro pig turns into a Farm pig''
''Micro Pig became a macro pig!''
''About that ''micro pig'' you sold me''
''Piglet grows up to weigh 20 stone after owner was duped by breeder''
''Micro pig grows to 25 stone and takes over its owners home''
With dramatic headlines appearing in the press about oversized pet pigs it's no wonder the public are dubious about the existence of genuinely small or 'micro pigs'.