On average, the untreated HIV infected patient will progress to AIDS in about 5-10 years. Since 1996, the introduction of powerful anti-retroviral therapies has dramatically changed the natural progression of HIV infection to the development of AIDS.
You CAN feed your horse just hay, but you have to up the portions and it also depends upon the type of hay you are feeding. Alfalfa mix is normally the best but there again, you're goinng to have to feed more hay to make up for the not feeding grain when you are riding.
A horse should eat one to two percent of their body weight in roughage every day. Horses who spend much of their time in stalls arenât doing much grazing, but their natural feeding patterns can be replicated by keeping hay in front of them for most of the day.