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Ruminants vs. Non-ruminants and Teeth

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Ashley Jenkins

on 8 February 2013

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Transcript of Ruminants vs. Non-ruminants and Teeth

Digestive Tracts Ruminants: Forage consuming animals
Multi-stomached animals.
Feed in a ruminant system is acted on by millions of bacteria and microorganisms.
They transform low-quality protein and nitrogen compounds into essential amino acids. 4 Compartments of a Ruminant Stomach: Rumen: largest compartment contains bacteria and microorganisms that aids in the digestive process. 2nd compartment that works with the rumen to aide in the formation of cud for regurgitation.
Nicknames: “hardware stomach” because it collects nails and "honeycomb" Reticulum: the third compartment of the ruminant that removes water from food as it moves from the rumen to the fourth compartment.
Nickname: “many plies” Omasum: Abomasum: the 4th compartment in the ruminant that is referred to as the “true stomach.”
function is to break down food material by muscular movement and to secrete digestive juices.
The material then passes into the small intestine. Non-Ruminants: single-stomached/ mono gastric and include all of the small animals.
Ex. Dogs, Cats, Rabbits Rabbits and guinea pigs are considered to be non-ruminant herbivores, an animal that eats a lot of roughage but doesn't have a multi compartment stomach. Non-Ruminants Continued: The rabbit has a mono gastric system, similar to a horse, and allows it to eat forages and roughages.
The rabbit has a small single stomach, it has a large cecum and colon between the small and large intestines containing bacteria that allows the rabbit to break down the roughage and forage. Many mammals, including dogs, cats, and ferrets are "diphyodont" meaning they have 2 sets of teeth, one set (called "deciduous") being shed and replaced by a permanent set. Dogs and Cats: Dogs have a total of 42 permanent teeth consisting of: 3 upper and 3 lower incisors, 1 upper and 1 lower canine, 4 upper and 4 lower premolars and 2 upper and 3 lower molars. Cats have a total of 30 permanent teeth consisting of: 3 upper and 3 lower incisors 1 upper and 1 lower canine 3 upper and 2 lower premolars and 1 upper and 1 lower molar. The deciduous (milk) teeth should fall out and the permanent teeth start to erupt at around 3 months of age. Incisors are shaped like a chisel and are great for cutting things. Teeth: Molars are large, flat, and have many tiny ridges on them. Molars are used to grind up food Orozyme chews are recommended by vets to help prevent the formation of dental plaque and fight bad breath. The mouth has a natural LPO-enzyme defence system found in saliva which protects teeth and gums, prevents plaque build up and helps keep the mouth healthy. Orozyme chews are a rich external source of this natural LPO-enzyme system and considerably
enhances this defence system. Things to Help: Jaw Bones: The upper jaw is called the "maxilla" and the lower jaw is called the "mandible." The shape of an animal's skull affects the positioning of the teeth. In dogs and cats, there are 3 major types of head shapes. Brachycephalic: short, wide muzzle. For example, Pekingese, Pugs, Bulldogs, and Persians. Mesaticephalic: medium length and width muzzle. For example, Golden Retrievers, terriers, most cats, and ferrets. Dolichocephalic: long, narrow muzzle. For example, the Doberman Pinschers, Greyhounds, or Oriental cats.
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