Difference between revisions of "Avian Digestive Tract - Anatomy & Physiology"
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| − | + | <big><center>[[Alimentary - Anatomy & Physiology|'''BACK TO ALIMENTARY - ANATOMY & PHYSIOLOGY''']]</center></big> | |
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| + | ==Introduction== | ||
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| + | Birds are endothermic vertebrates, many with a high core temperature of 41.3°C. The rapid heart rate (93-494 bpm)and respiratory rate (12-85) explain the fast metabolic rate of the avian species. This high basic metabolic rate influences the rate of drug absorbtion, metabolism and excretion and shoul be taken into account when anaesthetising these animals. | ||
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| + | Food can move retrograde from the proventriculus to the crop. Food can also pass from the gizzard back into the proventriculus depending on particle size, which is similar to that in mammals. The egestion of bones occurs once the nutritious material has been ingested. During reflux, gastric motility is inhibited and the pellet is expelled through the mouth by oesophageal antiperistaltis. This cleans the crop out and checking the pellet of captive birds should be undertaken daily to assess health. | ||
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| + | The avian ailimentary system differs immensely from the basic mammalian design. | ||
| + | [[Image:Cockatiel.jpg|thumb|center|150px|Cockatiel - Copyright nabrown 2008]] | ||
| + | [[Image:Avian GIT.jpg|thumb|right|150px|Avian GIT Overview - Copyright Nottingham 2008]] | ||
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| + | ::[[The Avian Oral Cavity - Anatomy & Physiology|The Oral Cavity]] | ||
| + | |||
| + | ::[[The Avian Tongue - Anatomy & Physiology|The Tongue]] | ||
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| + | ::[[The Avian Hard Palate - Anatomy & Physiology|The Hard Palate]] | ||
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| + | ::[[Crop- Anatomy and Physiology|The Oesophagus and Crop]] | ||
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| + | ::[[The Proventriculus - Anatomy & Physiology|The Proventriculus]] | ||
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| + | ::[[The Gizzard - Anamtomy & Physiology|The Gizzard]] | ||
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| + | ::[[The Avian Intestines - Anatomy & Physiology|The Intestines]] | ||
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| + | ::[[Avian Liver - Anatomy & Physiology|The Liver]] | ||
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| + | ::[[The Avian Vent and Cloaca - Anatomy & Physiology|The Vent and Cloaca]] | ||
Revision as of 13:44, 17 July 2008
Introduction
Birds are endothermic vertebrates, many with a high core temperature of 41.3°C. The rapid heart rate (93-494 bpm)and respiratory rate (12-85) explain the fast metabolic rate of the avian species. This high basic metabolic rate influences the rate of drug absorbtion, metabolism and excretion and shoul be taken into account when anaesthetising these animals.
Food can move retrograde from the proventriculus to the crop. Food can also pass from the gizzard back into the proventriculus depending on particle size, which is similar to that in mammals. The egestion of bones occurs once the nutritious material has been ingested. During reflux, gastric motility is inhibited and the pellet is expelled through the mouth by oesophageal antiperistaltis. This cleans the crop out and checking the pellet of captive birds should be undertaken daily to assess health.
The avian ailimentary system differs immensely from the basic mammalian design.
