What is the Flora and Fauna of the Gut?

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Discussion Overview

The discussion centers around the flora and fauna of the gut, exploring its role in various species, including humans, animals, and birds. Participants examine the symbiotic relationships between microorganisms and their hosts, the implications for digestion and health, and the differences across species.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant mentions that the flora and fauna of the gut consist of microorganisms that form symbiotic relationships with animals, varying by species and individual.
  • Another participant highlights the complexity of cow gut flora, noting that it includes predator fungi and protozoa essential for digesting cellulose, which cows cannot do without this flora.
  • It is suggested that gut flora allows hosts to utilize food energy more efficiently and provides resistance to harmful microbes by establishing a "homefield advantage."
  • Coprophagy is mentioned as a common method for establishing gut flora, particularly in developing animals that consume fecal matter from individuals with established systems.
  • A participant raises a point about birds, specifically finches, and references a theory regarding the "sterile bowel" in more evolutionarily advanced bird species, although they note limited information on the topic.

Areas of Agreement / Disagreement

Participants express interest in the topic and share information, but there is no consensus on the importance of gut flora across different species, particularly regarding birds. The discussion remains open-ended with various viewpoints presented.

Contextual Notes

Some assumptions about the significance of gut flora in different species are not fully explored, and the discussion includes references to external sources that may not be universally accepted or verified.

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I was reading a post on a bird forum earlier and someone mentioned that the chicks of gouldian finches benefit more with their parents than foster parents because they get the natural flora and fauna of the gut; however, another poster said that this wasn't as important in birds as they have a different system to animals. Anyway, pick that part to bits if you wish, but my actual query is: what is the flora and fauna of the gut?

That question applies to humans, animals, birds... whatever. I suppose I could've easily looked it up, but I'm sure the posters on here will give a more thorough response.
 
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The flora and the fauna of an animal refers to the microorganisms that forms a symbiotic relationship with an animal. the flora will be different from species to species and from individual to individual. Some organism living in the gut are unique to given specie and can only be isolated from that specific specie.

Cows have a very special flora/fauna that is very complex. The rument has predator fungi and protozoan that feed on the other microorganism. Also, without this flora cows and other ruminant would die because they cannot digest cellulose and the flora does it for them.

You can also look at
http://en.wikipedia.org/wiki/Gut_flora
 
The flora and fauna found in the gut generally aloows the host to more efficiently utilize food energy. It is usually a very important aspect of the digestive system in animals that are vegetarians, like the cow mentioned by iansmith. One might also say that it provides some means of resistance to harmful, invasive microbes, since the good bacteria are already established and therefore have a "homefield advantage" over the potential invasive species. There are different ways of establishing the gut flora, one common means is coprophagy, or consuming the fecal matter of an individual that already has an established system. Such practice would be a reason to keep a developing animal with it's parents.

As far as birds, and specifically finches, I'm no expert, but I found the following link that describes the "sterile bowel" of more evolutionarily advanced species of birds. It's an interesting theory, but I couldn't find much else about it on the web therefore caveat emptor.

http://www.birdhealth.com.au/about/r-sterilebowel.html"
 
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Thanks both. Very interesting articles, too.
 

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