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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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234 news items

FeedNavigator.com

FeedNavigator.com
Tue, 05 May 2015 09:18:40 -0700

US headquartered, Balchem Corporation, in its Q1 2015 results, reported that its animal nutrition and health unit realized sales of $42.7 million, an organic growth increase of 4.5%, over the prior year comparable quarter.

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 ...

All about feed

All about feed
Wed, 13 May 2015 06:52:30 -0700

Despite phytase's proven mode of action in monogastric animals and the fact that there has been an ~80% improvement in its affordability since the mid-1990s (while inorganic phosphorus prices have risen over six fold in the same period), industry ...
 
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, ...

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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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 ...
 
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Thu, 29 Jan 2015 06:06:14 -0800

Shoreview, Minn. – Higher parity sows play an important role in a balanced parity structure. They have achieved their breakeven point and any production over operating expense is profit. To help older sows continue performing, feed consumption should ...

Farm and Ranch Guide

Farm and Ranch Guide
Thu, 12 Feb 2015 16:22:30 -0800

Emily is completing her bachelor's in Animal Science, and is planning to go on for her master's in Monogastric Nutrition. After working in a swine barn for the past couple of summers, she realized that she really enjoys working with pigs. She plans to ...
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