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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, dogs and pigs, and carnivores such as 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.

References[edit]

  1. ^ "Monogastrics Vs Ruminents" (PDF). 
  2. ^ a b Animal Structure & Function
  3. ^ Hindgut versus Foregut Fermenters
  4. ^ Grant, Kerrin. Adaptations in Herbivore Nutrition, July 30, 2010
  5. ^ Watkins, P. A.; Moser, A. B.; Toomer, C. B.; Steinberg, S. J.; Moser, H. W.; Karaman, M. W.; Ramaswamy, K.; Siegmund, K. D.; Lee, D. R.; Ely, J. J.; Ryder, O. A.; Hacia, J. G. (2010). "Identification of differences in human and great ape phytanic acid metabolism that could influence gene expression profiles and physiological functions". BMC Physiology 10: 19. doi:10.1186/1472-6793-10-19. PMC 2964658. PMID 20932325.  edit



Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Monogastric — Please support Wikipedia.
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7thSpace Interactive (press release)
Fri, 27 Mar 2015 13:37:30 -0700

Improving feed efficiency of pigs with dietary application of amino acids (AAs) is becoming increasingly important because this practice can not only secure the plasma AA supply for muscle growth but also protect the environment from nitrogen discharge ...
 
Feedstuffs
Wed, 22 Apr 2015 08:45:00 -0700

Canola meal has long been considered an appropriate feedstuff for monogastric species; however, commercial diet formulation has often limited its inclusion in certain stages of production based on performance results seen in earlier literature ...

The Inquisitr

The Inquisitr
Thu, 09 Apr 2015 18:38:21 -0700

The infection in sheep and cattle frequently involves the central nervous system, causing various neurologic signs; in monogastric animals and fowl, the chief manifestations are septicemia and necrosis of the liver. Meningitis, abortion, pneumonia ...
 
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, ...
 
PR Newswire (press release)
Wed, 01 Apr 2015 03:01:21 -0700

"Oxidative stress occurs when there is an imbalance between the amount of free radicals produced and the animal's ability to keep them under control," said Dr. Junmei Zhao, Executive Manager of Monogastric Nutrition Solutions at Novus. "The free ...

GlobalMeatNews.com

GlobalMeatNews.com
Tue, 04 Nov 2014 01:03:06 -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 ...

FeedNavigator.com

FeedNavigator.com
Thu, 02 Apr 2015 09:09:14 -0700

Increasing livestock fertility, nailing precision feeding, developing fish meal substitutes and a migration away from antimicrobials are the immediate goals of a US led research alliance relying on 'innovative' nutritional and management practices.
 
All about feed
Tue, 07 Apr 2015 02:49:24 -0700

Adisseo France and Denkavit Futtermittel are to enlarge their cooperation within the German market. Not only will Denkavit take over the technical support aspect of all monogastric products for Adisseo but it will also become a distributor for the company.
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