Not long. Mentally, a horse starts to stress if breakfast is late. Most horses are preoccupied with food. How much, what kind, when is the next meal. In his natural habitat the horse will graze 18 to 20 hours a day. Stressing over his food will start bad habits, cause ulcers, ect.
Physically, after a missed meal or two, his blood suger may drop just like a human that misses a meal. When his blood sugar drops he won't feel good which can add to his mounting stress over where his person is and where is his meal. After only a couple of days you will be able to see ribs and hip bones much easier. His flanks may sink in a little and his abdomin may draw up along with his crest dropping slightly. The worst though is the look on his face. Those big eyes look so sad but there is always hope that you brought the food. After a couple of days the above signs are more obvious. I hope this has helped.
An average horse will drink 30 gallons of water a day. There's a possibility they can die without water in 5 to 6 days.
horses may live days/ weeks without food. It may depend on how healthy the horse is before it is not fed.
A horse might survive three or four days in temperate weather without water, in hot weather they might not last a day.
at the least 1 month at the most 3 months
Five to Six days.
8 day period
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Perhaps you ment to ask HOW can you survive, instead of what can you survive.The answer to that would simply be "you can survive if you have a long-lasting amount of water food and (perferibly) proper clothing and money.
As long as it also has water it should do OK.
Infinite years.
About a week
It depends on the breed of the horse. For example, the Arabian horse, because it was built for the hot desert, it has adapted to the climate and can go without food or water for a long period of time. A horse will starve to death within a roughly 8 day period without food or water. The weather can affect how quickly this occurs and may shorten the length of time it takes to starve to death.
About a week.
As long as it has food and water available. Without it, it depends on when it last had food.
the longest is 2hours
They can survive indefinitely as long as the food is nutritious and they have plenty of water.
With food and water, only sickness or injury will stop you from reaching your natural Life.
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Arabian horses have the ability to go a long time with out water, therefore, they have the ability to survive extreme weather circumances.
With sufficient nutritious food and plenty of water, a person can survive indefinitely.
Of coarse they would, we humans can survive weeks without food as long as there is an intake of water.
4 days or less.
long it depends on amount of: food water heating exercise. short 4+days