Ruminant
Hoofed herbivorous grazing or browsing mammals / From Wikipedia, the free encyclopedia
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Ruminants are herbivorous grazing or browsing artiodactyls belonging to the suborder Ruminantia that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, principally through microbial actions. The process, which takes place in the front part of the digestive system and therefore is called foregut fermentation, typically requires the fermented ingesta (known as cud) to be regurgitated and chewed again. The process of rechewing the cud to further break down plant matter and stimulate digestion is called rumination.[2][3] The word "ruminant" comes from the Latin ruminare, which means "to chew over again".
Ruminants | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Artiodactyla |
Clade: | Cetruminantia |
Clade: | Ruminantiamorpha Spaulding et al., 2009 |
Suborder: | Ruminantia Scopoli, 1777 |
Infraorders | |
The roughly 200 species of ruminants include both domestic and wild species.[4] Ruminating mammals include cattle, all domesticated and wild bovines, goats, sheep, giraffes, deer, gazelles, and antelopes.[5] It has also been suggested that notoungulates also relied on rumination, as opposed to other atlantogenates that rely on the more typical hindgut fermentation, though this is not entirely certain.[6]
Ruminants represent the most diverse group of living ungulates.[7] The suborder Ruminantia includes six different families: Tragulidae, Giraffidae, Antilocapridae, Cervidae, Moschidae, and Bovidae.[4]