TAILIEUCHUNG - Black's veterinary dictionary 21st edition - G

Từ điển thú y vần G | G Gad-Fly see FLIES WARBLES . In Britain warble flies are on the wing from late May onwards. Gadding Excitement restlessness uncontrolled rushing around in horses or cattle due to the presence of biting flies also in the case of cattle warble flies. Gag A device to facilitate oral examination or treatment by holding the mouth open. Gait Abnormal see ATAXIA GOOSE-STEPPING LAMENESS Gall-Bladder The little pouch-like sac in which bile produced by the liver is stored until it is required during the process of digestion. It is a hollow pearshaped organ lying in a depression on the posterior surface of the liver. The gall-bladder is not present in the horse and in animals of the horse tribe but is found in the other domesticated animals. Blockages of the bile-duct by liver flukes or by gallstones may result in jaundice as well as severe local inflammation. Acute inflammation of the gall-bladder is painful and there is danger of rupture or gangrene. Gall Sickness see ANAPLASMOSIS Gallstones Gallstones which are also known as biliary calculi see under CALCULI are concretions which are formed in the gall-bladder or in the bile-ducts of the liver. As a rule they are hard brownish in colour coated with mucus and of a more or less rounded shape. They may be composed of cholesterol of cholesterol and bile pigments or of pigment and lime salts. One or several may be present causing pain and jaundice. Gallstones are more prevalent in sheep than in cows dogs cats and horses. In human medicine ursodeoxycholic acid has been used to dissolve gallstones. Galvanised Bins Galvanised bins used to store swill have led to ZINC POISONING in pigs. Galvayne s Groove A vertical groove in the front surface of the horse s upper corner incisor teeth. It first appears at the gum margin at about 10 years old and gradually moves down the surface of the tooth as the horse ages until it grows out at about 30 years old. see DENTITION - Horses Game Birds Mortality This may be considered under 2 headings

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