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While foregut fermentation is generally considered more efficient, and monogastric animals cannot digest cellulose as efficiently as ruminants, [5] hindgut fermentation allows animals to consume small amounts of low-quality forage all day long and thus survive in conditions where ruminants might not be able to obtain nutrition adequate for their needs.
Certain skin conditions in animals can also cause loss of fur. [2] Ferret adrenal disease is extremely common and is the most common cause of alopecia in ferrets, typically affecting middle-aged specimens between three and seven years old. [6] Bacterial pyoderma, dermatophytosis, and parasites can also cause the condition. [6]
Thus, while most microorganisms can assimilate simple monomers, degradation of polymers is specialized, and few organisms can degrade recalcitrant polymers like cellulose and lignin. [16] Each microbial species carries specific combinations of genes for extracellular enzymes and is adapted to degrade specific substrates. [12]
A large percentage of herbivores also have mutualistic gut flora made up of bacteria and protozoans that help to degrade the cellulose in plants, [1] whose heavily cross-linking polymer structure makes it far more difficult to digest than the protein- and fat-rich animal tissues that carnivores eat.
The eastern lowland gorillas and mountain gorillas were previously thought to be two of the three subspecies of one single species, the gorilla (Gorilla gorilla). However, genetic research has shown that the two eastern subspecies are far more closely related than the western subspecies: the western lowland gorilla ( G. gorilla gorilla ), which ...
The mountain gorilla (Gorilla beringei beringei) is one of the two subspecies of the eastern gorilla.It is listed as endangered by the IUCN as of 2018. [2]There are two populations: One is found in the Virunga volcanic mountains of Central/East Africa, within three National Parks: Mgahinga, in southwest Uganda; Volcanoes, in northwest Rwanda; and Virunga, in the eastern Democratic Republic of ...
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Particles greater than 0.3-0.5 mm (mainly non-fermentable material) move to the center of the colon and then peristalsis moves them down the colon. Particles less than 0.3-0.5 mm (mainly fermentable fiber and proteins) move to the sides, and then retrograde peristalsis moves them back up the colon and into the cecum. [14] [2] [17] [9]