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Master Introductory Animal Science – Notes, Case Studies & Practical Insights – with Rahuwith Rahul

The difference between ruminant and non-ruminant

  • Ruminants are animals which have 4 chambered stomach specially designed for digesting plant matter (roughages).
  • Their stomach are design to digest course hard to break down being plants like grass, non-protein (which make up meat) which is much easier to digest for the average animals. They regurgitate food called chewing the cud.
  • The rumen acts the huge fermentation vat where animal amino acid and protein are made by the bacteria in the rumen from the basic forages the animal has consumed.
  • Ruminant’s animals are much more efficient in forming plant matter into high quality meat. Animals which are ruminant includes all bovine- cattle, buffalos, sheep and goat.
  • Non ruminant are considered monogastric because they have simple stomach. They cannot regurgitate partly digested matter and re chewed.
  • They do not have large rumen. Almost all non-ruminants are omnivorous or carnivorous.

Studying mammals: Plant predators: Figure 3 Simplified representation of the  digestive systems of hindgut fermenters and ruminants | OpenLearn - Open  University

Ruminant

Non-ruminant

They have 4- chambered stomach.

They have simple stomach, simple and partly digested, monogastric.

Most of the digestion and absorption takes place in stomach.

Most of the digestion and absorption on small intestine (duodenum, jejunum, ileum).

Regurgitation occurs or rumination take place. They regurgitate food called chewing the cud.

Regurgitation not occurs, absence of rumen or do not chewed the cud.

Stomach is divided into 4 parts, rumen, reticulum, omasum, abomasum

Only one i.e.  abomasum

Can digest cellulose with the help of cellulose bacteria.

Cannot digest cellulose.

Microbial digestion of cellulose occurs in rumen and reticulum

Microbial digestion occurs in caecum and colon

Manufacture essential protein and Vitamin themselves

Unable to manufacture should be supply externally

Ptyalin is absent in saliva.

Ptyalin is present in saliva.

Essential amino acid and protein is not supplied in feed.

Essential amino acid and protein is required in feed, supplied in feed.

Canine teeth absent

Present

Horns are present

Generally absent

Intestine is situated in flat position in stomach

In zigzag position

Complete digestion takes place.

Partial digestion

Saliva contain N, P and  Na

Absent of N, P and Na in saliva

Long intestine (about 100) ft.

Not so longer

Essential amino acid is not required in feed crude protein provide in feed

Should be supplied from external source

Caeca and colon is fully develop

Develop or not develop e.g. in human caeca and colon is not developed, caeca, colon develop in horse and rabbit, swine

They can survive by roughages

They cannot survive green roughages also need to survive concentrates.

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