Originally Posted by She is the wind
after 24 hours she was walking around and eating small amounts of green grass , we allowed her a leaf of hay ...going to up her hay again,
Yes, the way I understand it, not feeding her is a precaution just in case she has to be operated on. It's not good for a horse's system to go hungry for any length of time though, so if your vet has deemed she's on the mend & not needing an op, definitely give her more hay as soon as she's allowed. If she is the type to gorge on it though, little & often may be safer than free choice, while her system's still fragile. I'd also be giving her a probiotic, to get her digestive system off to a good start again & also help counter the bute.
and in a week start her slowly on her recomended feeding, (which I did overdose at first) of grain, alfalfa cubes, as this years hay was not up to standards (in BC) ... being a young horse she needs more high nutrient foods.
Yeah, being a domestic horse, young or otherwise, pasture/hay is not likely to give her balanced nutrition, so she will indeed benefit from a good quality nutritional supp. Alfalfa is good for supplying extra energy that may be needed as well as nutrients such as calcium and protein. If she's in hard work, she may need more extra energy, but generally there are safer alternatives to grain & other high starch/sugar feeds.
If you are going to feed high starch/sugar for some reason, it is extra important that it is introduced gradually, over a week or 2 and the horse is fed little & often - the 'high GI' ingredients mixed in with lots of roughage - chaff, beet pulp or such, fed in small meals over at least 3 feeds daily, pref more. Grain should also be processed - cooked, mironised, etc. This will help her be able to cope better with these feeds and reduce the risk & severity of problems that can arise from this feed.