VET115 Lg. Animal Dz Test
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| A. -C. tetani causes rigid paralysis
-C. botulinum causes flaccid paralysisB. integument disorder that affects white colored limbs of horses. CS: scabs on limbs, swelling, red, cracking, sometimes lameness. Tx: Zinc oxide w/ chlorhex & poss steroid, wrap legs and keep away from wet grass.C. zoonotic disease that, several species of this effect horses, are subclinical carriers. CS: depression, fever, diarrhea. Dx: CS, isolate bacteria, low WBC. Tx: supportive, quarantine. D. a brief, spontaneous contraction affecting a small number of muscle fibers, often causing a flicker of movement under the skin.E. a zoonotic fatal disease, 2 forms (furious and paralytic). Caused by a bite from infected animals. CS: fever, hind limb ataxia, hyperesthesia, neurological signs, 3-10 days then dead, need to vaccinate. F. osteoarthritis of pastern or coffin bones. Inflammation within joints is bad enough where body lays down more bone to "fix" it. G. dz of the spinal cord. H. swelling of laminae of hoof. CS: won't move, strong bounding digital pulse, altered gait, shifting wt onto hind limbs. Dx: hoof testers, digital pulses, rads. Tx: NSAIDs, DMSO, ice baths, therapeutic shoes, diet, identify cause and threat. I. rare fatal dz caused by Clostridium botulinum. CS: can't swallow, muscle weakness, tremors, resp. paralysis. Dx: culture. Tx: antitoxin if early, vaccs sometimes available, supportive care. J. exaggerated lifting of hind limbs, cause is unclear, some will recover on their own and others have it forever. K. high mortality rate dz caused by Clostridium tetani, found in soil, may lie dormant for 6 months, must vaccinate. CS; light/sound sensitive, rigid body, no control of 3rd eyelid, convulsions/death in 75-80%. L. caused by stress, high grains, pain, NSAIDs, and occurs in foals. Use anti-ulcer medication (Omeprazole). M. "Equine Distemper," caused by Streptococcus equi. CS: swelling/abscesses of lymph nodes, fever, depression, painful jaw, drainage of abscess. Tx: self-limiting, clean abscesses, supportive care, NSAID's, abx, isolate. Contagious for 5 wks after CS's end. N. common benign tumor, ugly/annoying, causes raised hairless lesions with a bumpy surface. Two types: verrucous (flat) & fibroblastic (bumpy & raised). Tx: cryoptherapy, laser, immunotherapy, radiotherapy, chemo, sx removal (less success), anti-cancer drugsO. (Monday morning syndrome, Tying up) inflammatory dz of muscle, after onset of exercise. CS: dark chocolate brown urine, increases CK & AST on blood chem. Tx: varies, exercise restriction, stall confine, NSAIDs, fluids, muscle relaxants. P. common skin tumor, mostly in gray horses. Happens in perineal area and gets bigger with time, usually benign. Tx: sx removal is best. Q. Tx: dark quiet stall, antitoxin, high doses of Penicillin, sedative, IV fluids, NG feeding, enemas, manual evacuation of rectum.
Px: guarded to grave, prevent with vaccination. R. highly contagious orthomyxoviridae. CS: high fever, cough, depression, nasal discharge. Dx: CS's and virus isolation. Horses are ill for 3-4 days and need to vaccinate. S. most common neuro condition, host to Sarcocystis neurona parasite, opossums primary host, 85% of horses have this. CS: ataxia, weak, muscle atrophy. Dx: CSF fluid, protazoa in necropsy lesions. Tx: antiprotozoal drugs, abx, less than 25% recover fullyT. two large symmetric ventral diverticulum of Eustachian tube, is above pharynx & larynx. It lowers temperature of blood traveling to the brain. |
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Riley.Scherf
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