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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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306 news items

 
National Hog Farmer
Thu, 09 Jul 2015 08:35:07 -0700

... for superior yellow-seeded canola, utilizing new dehulling options and harnessing the power of new multi-carbohydrase enzyme formulations designed to break down fiber and enhance nutrient utilization for monogastric animals such as pigs and poultry.

Pig World

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Thu, 09 Jul 2015 23:36:12 -0700

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agprofessional.com

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Fri, 10 Jul 2015 13:48:45 -0700

Utilizing new dehulling options and harnessing the power of new multi-carbohydrase enzyme formulations designed to break down fiber and enhance nutrient utilization for monogastric animals such as pigs and poultry are the next necessary keys.
 
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Mon, 29 Jun 2015 06:41:15 -0700

De Lacy Executive is currently recruiting for a Nutritionist to enhance my clients team of expertise within their monogastric animal nutrition department in the North EastUsing nutritional expertise and knowledge to provide innovative nutritional ...

The Scottish Farmer

The Scottish Farmer
Fri, 10 Jul 2015 02:11:28 -0700

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GlobalMeatNews.com

GlobalMeatNews.com
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 ...

FeedNavigator.com

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Tue, 07 Jul 2015 07:27:31 -0700

But while VISB only targets Australasia, the new JV, Volac Wilmar Feed Ingredients, is focused on supplying the globe and moving into monogastric feed fats. “We also plan to broaden the feed fats and oils product portfolio beyond palm fatty acids ...

All about feed

All about feed
Sun, 19 Jul 2015 23:00:00 -0700

The world's livestock population has over the past two decades shifted from ruminants (such as cattle, goats and sheep that digest their food in a complex of stomachs) towards monogastric animals (such as pigs and poultry that have a single stomach).
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