Selasa, 07 Mei 2013

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Digestive System in Ruminantia

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Digestive System in Ruminantia Ruminantia is a group of mammals that chew back the bolus. This group of animal depends very much on the bacteria of cellulose decomposer in stomach to break down cellulose.




Food Pathway in ruminantia shown by number

The stomach of ruminantia comprises of four sections

  1. Rumen 
  2. Reticulum 
  3. Omasum 
  4. Amasums

The process of digestion in ruminantia is as follows

Food is chewed by molar teeth In mount, and then it is pushed down into rumen through oesphagus. In rumen, the food is broken down by anaerobic bacteria into bolus and transferred to reticulum in order to be digested chemically into smaller bolus. The bolus is then propeled up into the mouth to be chewed again by molar. The food is expelled back down into omasum to be digested. The digesta is transferred to abomasum to be digested chemically with enzyme produced by bacteria. At the end, nutrients resulted from of the process is absorbed by small intestine and distributed by blood throughout the body.

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