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A monogastric organism has a simple single-chambered stomach, compared with a ruminant organism, like a cow, goat, or sheep, which has a four-chambered complex stomach. Examples of monogastric animals include omnivores such as humans, rats, and pigs, carnivores such as dogs and cats, and herbivores such as horses and rabbits.[1] Herbivores with monogastric digestion can digest cellulose in their diets by way of symbiotic gut bacteria. However, their ability to extract energy from cellulose digestion is less efficient than in ruminants.[2]

Herbivores digest cellulose via microbial fermentation. Monogastric herbivores which can digest cellulose nearly as well as ruminants are called hindgut fermenters, while ruminants are called foregut fermenters.[3] These are subdivided into two groups based on the relative size of various digestive organs in relationship to the rest of the system: colonic fermenters tend to be larger species such as horses and rhinos, and cecal fermenters are smaller animals such as rabbits and rodents.[4] Great apes (other than humans) derive significant amounts of phytanic acid from the hindgut fermentation of plant materials.[5]

Monogastrics cannot digest the fiber molecule cellulose as efficiently as ruminants, though the ability to digest cellulose varies amongst species.[2]

A monogastric digestive system works as soon as the food enters the mouth. Saliva moistens the food and begins the digestive process. After being swallowed, the food passes from the esophagus into the stomach, where stomach acid and enzymes help to break down the food. Bile salts stored in the gall bladder empty the contents of the stomach into the small intestines where most fats are broken down. The pancreas secretes enzymes and alkali to neutralize the stomach acid.


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226 news items


Wed, 17 Dec 2014 21:48:45 -0800

"We'll be working with the Chief Examiner for the HSC Agriculture course to cover the topics of Integrated Pest Management (IPM), Monogastric Nutrition, Poultry Welfare and Poultry genetics" said Liz. "This sort of project is a great example of the way ...


Sun, 14 Dec 2014 23:01:55 -0800

Like humans, donkeys have a single stomach: their “monogastric” digestive systems mean their milk is very different to that of other multi-stomached ruminants such as cows, whose milk contains a high bacterial load. British aficionados can buy donkey ...
The Courier
Fri, 24 Oct 2014 23:39:42 -0700

The Monogastric Science Centre, which will be headed by renowned SRUC senior animal scientist Dr Jos Houdijk, will link research between the pig and poultry sectors. “We are already approached regularly by clients looking to do studies on both species, ...


Tue, 04 Nov 2014 01:00:00 -0800

It will focus on work on pigs and poultry, and will be headed up by Dr Jos Houdijk, one of the College's senior animal scientists. A key part of the work at the centre will be to bring together research on nutrition. SRUC is currently working on two ...


Thu, 23 Oct 2014 07:48:45 -0700

UK - Scotland's Rural College (SRUC) has launched a new Monogastric Science Research Centre, a focus for the College's work on pigs and poultry, in particular bringing together vital research on nutrition. Monogastric refers to animal species which ...
Farmers Advance
Tue, 09 Dec 2014 21:14:06 -0800

Co-authors include Oscar Rojas and Yanhong Liu of the Stein Monogastric Nutrition Laboratory at the University of Illinois. The research was funded by Parabel, Melbourne, Fla. The full text of the paper is available online at www.journalofanimalscience ...


Mon, 08 Dec 2014 16:56:15 -0800

Co-authors include Oscar Rojas and Yanhong Liu of the Stein Monogastric Nutrition Laboratory at the University of Illinois. For more information, visit www.journalofanimalscience.org/content/92/11/5222.full. Copyright 2014 Agri-View. All rights reserved.

The Scottish Farmer

The Scottish Farmer
Sun, 02 Nov 2014 04:11:15 -0800

Monogastric refers to animal species which have a stomach with just a single chamber - compared to ruminant such as cows and sheep whose stomachs have four chambers. The Centre will be headed up by Dr Jos Houdijk, who has spent many years at the ...

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