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*From [[anxiety]], [[stress]], or upon being [[punishment|punished]] for bad behaviors.
*From [[anxiety]], [[stress]], or upon being [[punishment|punished]] for bad behaviors.
*They had been punished for having [[defecation|defecated]] in the past, and attempt to clean up out of fear of being punished again.
*They had been punished for having [[defecation|defecated]] in the past, and attempt to clean up out of fear of being punished again.
⚫
*Because dogs are, by nature, [[scavenger]]s, and this is within the range of scavenger behavior.
*Because [[puppy|puppies]] taste everything and discover that feces are edible and, perhaps, tasty, especially when fed a high fat content diet.
*To prevent the [[scent]] from attracting [[predator]]s.
⚫
*Because dogs are, by nature, [[scavenger]]s, and this is within the range of scavenger behavior{{Fact|date=May 2008}}.
*Because they love the taste of shit.
*To prevent the [[scent]] from attracting [[predator]]s, especially [[mother]] dogs eating their [[offspring]]'s feces{{Fact|date=May 2008}}.
*Because the texture and [[temperature]] of fresh feces approximates that of [[regurgitation|regurgitated]] food, which is how canine mothers in the wild would provide solid food to their pups
*Because the texture and [[temperature]] of fresh feces approximates that of [[regurgitation|regurgitated]] food, which is how mothers in the wild provide solid food to their pups.
*Because of the [[protein]] content of the feces (particularly [[cat]] feces), or over-feeding, leading to large concentrations of undigested matter in the feces{{Fact|date=May 2008}}.
*Because of the [[protein]] content of the feces (particularly [[cat]] feces), or over-feeding, leading to large concentrations of undigested matter in the feces.
*Due to assorted health problems, including:
*Due to assorted health problems, including:
**[[Pancreatitis]]
**[[Pancreatitis]]
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*[[Carnivore]]s may sometimes eat or roll in the feces of their [[prey]] to [[ingestion|ingest]] and exude scents which mask their own.
*[[Carnivore]]s may sometimes eat or roll in the feces of their [[prey]] to [[ingestion|ingest]] and exude scents which mask their own.


Some [[veterinarian]]s recommend adding [[meat tenderizer]] to dog food, as this makes the feces taste excessively bad to dogs. Several companies produce [[food additive]]s that can also be added to the animal's food to make feces taste bad.{{Fact|date=November 2007}} Often, these food additives will contain Capsicum Oleoresin which gives off a repugnant odor making the fecal matter undesirable to the dog.
Some [[veterinarian]]s recommend adding [[meat tenderizer]] to dog food, as this makes the feces taste excessively bad to dogs. Several companies produce [[food additive]]s that can also be added to the animal's food to make feces taste bad. Often, these food additives will contain Capsicum Oleoresin which gives off a repugnant odor making the fecal matter undesirable to the dog.


== Coprophagia in humans ==
== Coprophagia in humans ==

Revision as of 08:16, 21 October 2008

Coprophagia is the consumption of feces, from the Greek copros (feces) and phagein (eat). Many animal species practice coprophagia as a matter of course; other species do not normally consume feces but may do so under unusual conditions. Only in rare cases is it practiced by humans, usually as a manifestation of psychiatric illness[1] or being used in some sexual paraphilic practices.

Coprophagia in animals

Two Common Blue butterflies feed on a small lump of faeces lying on a rock.

Coprophagous insects consume and redigest the feces of large animals; these feces contain substantial amounts of semi-digested food. (Herbivore digestive systems are especially inefficient.) The most famous feces-eating insect is the dung-beetle and the most ubiquitous is the fly.

Capybara, rabbits, hamsters and other related species do not have a complex ruminant digestive system. Instead they extract more nutrition from grass by giving their food a second pass through the gut. Soft fecal pellets of partially digested food are excreted and generally consumed immediately. They also produce normal droppings, which are not eaten.

Young elephants, pandas, koalas, and hippos eat the feces of their mother to obtain the bacteria required to properly digest vegetation found on the savanna and in the jungle. When they are born, their intestines do not contain these bacteria (they are completely sterile). Without them, they would be unable to get any nutritional value from plants.

Gorillas eat their own feces and the feces of other gorillas.

Hamsters eat their own droppings, which are thought to be a source of vitamins B and K, produced by bacteria in the gut. Apes have been observed eating horse feces for the salt content. Monkeys have been observed eating elephant feces. Coprophagia also has been observed in the naked mole rat.

Coprophagia in dogs

Coprophagia is a behavior often observed in dogs. Hofmeister, Cumming, and Dhein (2001) wrote that this behavior in dogs has not been well-researched, and they are currently preparing a study. In a preliminary paper, they write that there are various hypotheses for this behavior in canines, although none have been proven:

  • To obtain attention from their caretakers.
  • From anxiety, stress, or upon being punished for bad behaviors.
  • They had been punished for having defecated in the past, and attempt to clean up out of fear of being punished again.
  • Because dogs are, by nature, scavengers, and this is within the range of scavenger behavior.
  • To prevent the scent from attracting predators.
  • Because they love the taste of shit.
  • Because the texture and temperature of fresh feces approximates that of regurgitated food, which is how mothers in the wild provide solid food to their pups.
  • Because of the protein content of the feces (particularly cat feces), or over-feeding, leading to large concentrations of undigested matter in the feces.
  • Due to assorted health problems, including:
  • Because they are hungry, such as when eating routines are changed, food is withheld, or nutrients are not properly absorbed.
  • Carnivores may sometimes eat or roll in the feces of their prey to ingest and exude scents which mask their own.

Some veterinarians recommend adding meat tenderizer to dog food, as this makes the feces taste excessively bad to dogs. Several companies produce food additives that can also be added to the animal's food to make feces taste bad. Often, these food additives will contain Capsicum Oleoresin which gives off a repugnant odor making the fecal matter undesirable to the dog.

Coprophagia in humans

Sexual aspects

Coprophagia is extremely uncommon in humans. It is generally thought to be the result of the paraphilia known as coprophilia. Similar risk of classification can apply to related sexual behaviors, such as analingus or inserting an object into the mouth that recently has been in the anus (see ass to mouth). Coprophagia is also sometimes depicted in pornography, usually under the terms "scat" or "shitplay" or even "kaviar"[citation needed].

Medical aspects

From the medical literature, coprophagia has been observed in a small number of patients with dementia and/or schizophrenia[2] and depression.[3]

Consuming other people's feces carries the risk of contracting diseases spread through fecal matter, such as Hepatitis A, Hepatitis E, pneumonia, and influenza. Coprophagia also carries a risk of contracting intestinal parasites. Vaccinations are generally recommended for those who engage in this practice.[citation needed]

Lewin (2001) reports that "... consumption of fresh, warm camel feces has been recommended by Bedouins as a remedy for bacterial dysentery; its efficacy (probably attributable to the antibiotic subtilisin from Bacillus subtilis) was confirmed by German soldiers in Africa during World War II."

Cultural aspects

  • Punk musician and performance artist GG Allin often engaged in coprophagia during his performances.
  • Divine was well known for his consumption of dog feces at the conclusion of Pink Flamingos.
  • Adolescent prisoners of war are fed feces at a dinner banquet in one scene of the film Salò, another scene also has a man defecating and forcing a girl to eat his feces.

Notes

  1. ^ http://ageing.oxfordjournals.org/cgi/reprint/28/2/233.pdf
  2. ^ Effective treatment of coprophagia in a patient with schizophrenia with the novel atypical antipsychotic drug perospirone
  3. ^ Escalation of a fetish: coprophagia in a nonpsychotic adult of normal intelligence

References

  • Lewin, Ralph A. (2001). ""More on Merde"". Perspectives in Biology and Medicine. 44 (4): 594–607. doi:10.1353/pbm.2001.0067. PMID 11600805
  • Hofmeister, Erik, Melinda Cumming, and Cheryl Dhein (2001). "Owner Documentation of Coprophagia in the Canine". {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: multiple names: authors list (link). Accessed November 17, 2005.
  • Wise, T.N., and R.L. Goldberg (1995). ""Escalation of a fetish: coprophagia in a nonpsychotic adult of normal intelligence"". J. Sex Marital Ther. 21 (4): 272–5.{{cite journal}}: CS1 maint: multiple names: authors list (link) PMID 8789509
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