In real life, all vitamins are equally important to receive in a balanced manner.
On Howrse, I'm told the answer is Vitamin A
No you should not give human vitamins to a horse. They can contain things that are bad for horses and usually don't provided the correct dosages anyways. It's best to have a equine vet recommend a horse vitamin.
The only way to get a Pegasus is to give your horse a Medusa's Blood.
vitamins A, D, E and B-Complex
You can give the hera pack once a mare is of age for breeding at two and a half years.
Horses can start breeding at 2 years, 6 months.
Syndicating a racehorse is when you buy it's breeding rights before it is retired to the breeding shed. To syndicate a racehorse, its costs a lot of money, and you will own the horse once it is retired.
No,to EV train you need to win experience points,try breeding your lv 100 Pokemon and EV train him. I thought it would be informative to add that you can give the level 100 Pokemon 10 of each vitamin in five stats and 1 vitamin on the sixth stat. Sorry but that's the best you can do.
a broodmare is a female horse or pony used for breeding
Carrots are thought to give the eyes the best of sight, especially night vision. No-one can prove this to be true, but carrots also give Vitamin A, which can be proved.
The standard dose of Vitamin B12 delivered by intramuscular injection is 1,000 mcg. This is equal to one syringe once per day.
Using your horse's pedigree. If one is not available, talk to previous owners or the orignal breeder and they may be able to give you the information.
vitamin c