Horse nutrition

16 important questions on Horse nutrition

What happens in the pylorus of a horse?

In the pylorus, big particles are seperated from small marticles

Horses have a small stomach of aproxemately:

18L,  9% of GI-system

Duodenum, jejunem and ileum are:

55L and 28% of horses GI-tract
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Horses have a relatively big caecum:

Caecum = 36L and 18%, colon = 90L en 45%

Why is enough roughage during the day important for horses?

To prevent ulcers. Horses have a continuous HCL production and saliva is an acid buffer, which is only produced during chewing, so chewing should happen very often during the day

Function vitamin A (retinol) in horses

Protection epithelial cells

Function of vitamin D (calciferol) in horses:

Absorption of Ca & P, bone formation

Function vitamin E (tocoferol)

Enhances muscle metabolism
anti-oxidant

Function vitamin K

Coagulation of blood (prevents too much bleeding)

Function vitamin C

Enhances muscle metabolism

Properties of beet pulp:

High Ca/P ratio, a lot of fibre, peptins (soluble fibers). It can only be fermented, not digested

What does grass not contain, but sport concentrates does?

Starch

Where do we not want too much starch in the horse and why?

In the hindgut, because of fermenting acids and gasses

What causes gastric ulcers in horses?

Eating too much concentrate and not enough chewing activity

What causes colic in horses?

  1. Diets with little fibre and a lot of starch
  2. spring grass with too much sugars
  3. rapid diet changes

What part of roughage is not degradable for horses?

Ligand

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