Ruminant and Pseudo - 10thLargeAnimalScienceLymanHall

It is an animal that has 4 compartments in
their stomach.
 It contains a rumen, reticulum, omasum,
 These are found in cattle, sheep, goats,
and chickens.
 These help brake down lots of food when
the animals eat.
It’s about 60% of the stomachs.
It is also has bacteria and other
microbes that promote fermentation.
 Food will leave the rumen and get
regurgitated for about 15 minutes and
swallowed to the reticulum, then it will
be a repeating process for about 2-3
The 2nd stomach in the system.
 It looks like a honeycomb.
 It helps keep the food in the Rumen
mixed with water and saliva.
 When that is done the mixture can
move on to the other parts of the
It looks like pages to a book.
 It absorbs many of the nutrients broken
down in the reticulum and rumen.
 It removes excess water from food.
 It reduces the size of food particles
before passing them to the Abomasum
for digestion by enzymes
It’s last compartment of the stomach
 It breakdowns the majority of the
chemicals in the food.
 It also mixes in digestive enzymes
 The only one having glands that discharge
acids and enzymes for digestion.
They contain 3 compartments in their
 These animals do not regurgitate or ‘chew the
 These animal are still similar to ruminant animals
but don’t get the most nutrients out of leafy
 Pigs, rabbits , llama, horses, and alpaca are
the most known animals to be pseudoruminant.
Pseudo- Ruminant animals just have a
large cecum and doesn’t regurgitate
their food.
 Ruminant animals have a rumen and do
regurgitate all their food they intake.
There is several parts of the stomach.
 There is a large Cecum, and a large
Helps digest plants in the body.
 It absorbs water and salts from
undigested food.
 Has a muscular wall that kneads the
contents to speed up the absorption.
 This show that the feeds nutrients is not
absorbed as much as an animal with a
It is made up of mostly colons: ascending
colon, transverse colon, sigmoid colon.
 It actively transport sodium, and absorbs
water by osmosis.
 It holds an environment where bacteria
can grow and reproduce.
 It will eliminate all waste, undigested,
and unabsorbed material to leave the