ANSC 109, Class Notes, 9-23-10, Horse health program

ANSC 109, Class Notes, 9-23-10, Horse health program - ANSC...

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ANSC 109, Horse health program Coggins test Tests for ___________________________________________________________ Needed annually for horses transported within the state Horses transported to shows, sales, or across state lines may need more frequent tests Equine Infectious Anemia a.k.a. “Swamp fever” Disease of equines only (horses, mules, donkeys, zebra) No vaccine to prevent it There is no treatment Infected horses are infected for life – there is no cure Controlled by testing – typically once a year or more often, using the __________________ test Causative agent is _________________________________________ Transmitted to horses by mechanical transmission of infected blood, which typically can happen by re-using ________________________, bites from ______________- _________________ flies (especially horse flies ), and occasionally by semen or transplacentally Clinical signs (these may or may not be seen) Intermittent _______________________ Depression Weight loss Icterus Abortion, Edema, Bloodshot eyes, Colic No signs at all Positive animals must be euthanized (preferred), or permanently identified by brand or tattoo and kept in a life-long quarantine of at least 200 yards from any non-positive equines The brand or tattoo will include the state’s number (Texas is # 74) and the letter A (anemia) Prevention There is NOT a vaccine Do not reuse ____________________________ Quarantine incoming equines Require a current negative Coggins test House horses at evening to decrease horse fly feeding Vaccinations Most vaccines need a ____________________ (at least one) when given to naive horses Exceptions include: Equine Viral Arteritis, Rabies, Intervet’s West Nile (not the other brands of West Nile) To increase antibodies in the mare’s __________________________________, many of her vaccines should be boostered 4 - 6 weeks pre-partum Foals from unvaccinated mares need to start many vaccinations earlier than foals from vaccinated mares Vaccinate horses to prevent _____________________ diseases, that the horse has a good chance of being exposed to, where the vaccines work well (Tetanus, EEE, WEE, Rabies, West Nile)
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Tetanus a.k.a. “ Lockjaw Horses are more susceptible than any other animal except, perhaps, for humans The causative agent “ Clostridium tetani ” is a gram positive, spore forming, anaerobe that is commonly found in soil and GI tracts Usually introduced through a _______________ ___________________________ wound Symptoms ________________________ and vague stiffness ________________________ ___________________________ Hypersensitive to stimuli Prolapse of the ______________________ ________________________________ Increased HR and RR _______________________________ ears and tail Fever, Neck stiffness, Jaw stiffness “____________________________________” stance Sweating Mortality is ~ 80% Prevention – Vaccination with Tetanus Toxoid AND if horse suffers a penetrating injury, booster if last vaccine was > 6 months ago
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This note was uploaded on 01/17/2012 for the course ANSCI 109 taught by Professor Katherinethomson during the Fall '10 term at Tarleton.

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ANSC 109, Class Notes, 9-23-10, Horse health program - ANSC...

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