if she thinks his fat look at this he is my friends daughters cob and she does every thing with him and the vet said he is in good health he is a 56in girth
my mare has had both foals out side and was fine with other horses in field as well both foals done really well (both in may)i would say let her have it out side
my sec d x tb filly is 22 months old
she is standing at 15.1hh on her withers and 15.2 on her bum
mum is tb and only 15.1hh
dad is sec d and only 15.2 hh