Large Animal Vaccinations and Diseases PDF
Document Details
Uploaded by HalcyonSloth
Tags
Summary
This document provides information on large animal vaccinations, including equine, livestock, and small ruminants. It covers various diseases and the corresponding vaccination strategies. It also details clinical signs associated with each disease.
Full Transcript
LARGE ANIMAL VACCINATIONS AND DISEASES CHAPTER 8 EQUINE IMMUNIZATIONS • DEPENDS ON GEOGRAPHIC LOCATION & PERSONAL EXPERIENCE • YOUNG HORSES OR ANY HORSE W/UNKNOWN VAX HISTORY RECEIVE INITIAL IMMUNIZATION FOLLOWED BY SECOND BOOSTER • TYPICALLY 4 WEEKS APART • TYPICALLY GIVEN IM EXCEPT STRANGLES VA...
LARGE ANIMAL VACCINATIONS AND DISEASES CHAPTER 8 EQUINE IMMUNIZATIONS • DEPENDS ON GEOGRAPHIC LOCATION & PERSONAL EXPERIENCE • YOUNG HORSES OR ANY HORSE W/UNKNOWN VAX HISTORY RECEIVE INITIAL IMMUNIZATION FOLLOWED BY SECOND BOOSTER • TYPICALLY 4 WEEKS APART • TYPICALLY GIVEN IM EXCEPT STRANGLES VAX (FOLLOW MANUFACTURERS DIRECTIONS) • DOSE IS USUALLY 1mL EXCEPT RABIES (2mL) • ANAPHYLACTIC REACTIONS RARE – TX W/EPINEPHRINE • OTHER ADVERSE COMPLICATIONS • FEVER, LAMENESS, SWELLING OR ABSCESS FORMATION AT INJECTION SITE EQUINE IMMUNIZATIONS • EASTERN/WESTERN +/- VENEZUELAN EQUINE ENCEPHALOMYELITIS • CORE • VIRAL NEUROLOGIC DISEASES • MAINTAINED IN NATURE BY BIRDS/ANIMAL RESERVOIRS • TRANSMITTED BY BITING INSECTS • VENEZUELAN EQUINE ENCEPHALOMYELITIS HASN’T BEEN DIAGNOSED IN US FOR MANY YEARS • TRIVALENT VAX GIVEN TO HORSES IN STATES BORDERING MEXICO • INACTIVATED VIRUS VACCINES • ANNUALLY BEFORE BITING INSECT SEASON • PROTECTION LASTS 6-8 MONTHS • AREAS WHERE WINTER FREEZES UNCOMMON OR ENDEMIC AREAS SEMIANNUAL VAX ADVISABLE EQUINE IMMUNIZATIONS • RABIES • CORE • VIRUS CHARACTERISTICS AS DESCRIBED FOR CANINE & FELINE • KILLED-VIRUS VAX • ANNUALLY ADMINISTERED • INDUCES STRONG IMMUNOLOGIC RESPONSE EQUINE IMMUNIZATIONS • TETANUS • CORE • LOCKJAW • CHARACTERIZED BY MUSCULAR RIGIDITY • MAY LEAD TO DEATH DUE TO RESPIRATORY ARREST OR CONVULSIONS • CLOSTRIDIUM tetani-ANAEROBIC BACTERIUM • FOUND IN THE ENVIRONMENT • TETANUS TOXOID PRODUCES ACTIVE IMMUNITY • PURIFIED INACTIVATED TOXIN OF C. tetani • YEARLY VAX • BOOSTER OFTEN GIVEN TO HORSES WHEN TREATED FOR PENETRATING INJURIES OR AT SURGERY EQUINE IMMUNIZATIONS • TETANUS • TETANUS ANTITOXIN PRODUCED BY HYPERIMMUNIZATION OF DONOR HORSES W/ TETANUS TOXOID • PROVIDES PROTECTION BY BINDING C. tetani TOXIN • USED LOCALLY AT SITE OF INFECTION • GIVEN PARENTERALLY • GIVEN TO UNVACCINATED HORSES INDUCES IMMEDIATE PROTECTION • LASTS ABOUT 2 WEEKS • USE RESTRICTED TO HIGH-RISK CASES DUE TO POTENTIAL FOR ACUTE HEPATITIS • ANTITOXIN & TOXOID SHOULD NEVER BE MIXED IN SAME SYRINGE • INJECTED AT DISTANT SITES IF ADMINISTERED AT SAME TIME EQUINE IMMUNIZATIONS • WEST NILE VIRUS • CORE • FOREIGN ANIMAL DISEASE BEFORE 1999 • CURRENTLY PREVALENT THROUGHOUT US • CAUSED BY FLAVIVIRUS • INFECTS BIRDS/MOSQUITOES • HUMANS/HORSES DEAD END HOSTS EQUINE IMMUNIZATIONS • WEST NILE VIRUS • CLINICAL SIGNS: • ATAXIA, CIRCLING, PARESIS/PARALYSIS, MUSCLE FASCICULATIONS, PROPRIOCEPTIVE DEFICITS, TEETH GRINDING, FEVER, OR ACUTE DEATH • ADMINISTERED ANNUALLY BEFORE BITING INSECT SEASON • PROTECTION LASTS ABOUT 6 MONTHS • SEMIANNUAL VACCINE RECOMMENDED IN AREAS WHERE WINTER FREEZES UNCOMMON EQUINE IMMUNIZATIONS • EQUINE HERPESVIRUS • NONCORE • EHV ALSO KNOWN AT RHINOPNEUMONITIS • FREQUENTLY CAUSES RESPIRATORY DISEASE • CAN ALSO CAUSE ABORTION, NEUROLOGIC DISEASE, NEONATAL ILLNESS • CURRENT VAX OFFERS PROTECTION AGAINST EHV-1 & EHV-4 • BOTH INACTIVATED & MODIFIED LIVE VIRUS (MLV) VAX AVAILABLE FOR PROTECTION AGAINST RESPIRATORY FORM EHV • NO LICENSED VAX AVAILABLE FOR PROTECTION AGAINST NEUROLOGIC DISEASE • HIGH RISK ANIMALS VACCINATED EVERY 6 MONTHS • PREGNANT MARES VACCINATED AT 5TH, 7TH, 9TH MONTHS OF GESTATION TO AID IN CONTROL OF ABORTION EQUINE IMMUNIZATIONS • EQUINE INFLUENZA • NONCORE • HIGHLY CONTAGIOUS VIRAL DISEASE • CONTRACTED THRU INHALATION • INFECTS UPPER/LOWER RESPIRATORY AIRWAYS • FREQUENTLY SEEN IN MOBILE POPULATIONS • OUTBREAKS USUALLY OCCUR 1-3 YEAR OLD HORSES • AFTER MIXING W/RACEHORSES, TRAINING BARNS, SHOW GROUNDS • INACTIVATED & MODIFIED LIVE VIRUS (MLV) VACCINES AVAILABLE • MLV ADMINISTERED INTRANASALLY • PROVIDE GREATER DURATION OF IMMUNITY • BOOSTER EVERY 6 MONTHS IN HIGH RISK ANIMALS EQUINE IMMUNIZATIONS • STRANGLES • • • • NONCORE CAUSED BY STREPTOCOCCUS equi RESPIRATORY DISEASE EASILY TRANSMITTED THRU DIRECT CONTACT W/MUCOPURULENT DISCHARGE OR CONTAMINATED FOMITES • SUCH AS FEEDING UTENSILS, BUCKETS, OR OTHER EQUIP • CLINICAL SIGNS: • SUDDEN ONSET FEVER/NASAL DISCHARGE • FOLLOWED BY ACUTE SWELLING/ABSCESS FORMATION SUBMANDIBULAR, SUBMAXILLARY, RETROPHARYNGEAL LYMPH NODES EQUINE IMMUNIZATIONS • STRANGLES • INACTIVATED INJECTABLE VACCINES & LOW VIRULENCE LIVE STRAIN INTRANASAL VACCINE AVAILABLE • INTRAMUSCULAR VAX MAY CAUSE POST INJECTION REACTIONS OR ABSCESSES AT INJECTION SITE • ONLY RECOMMEND FOR HORSES WITH HIGH RISK OF EXPOSURE • VAX NOT 100% EFFECTIVE FOR PREVENTING DISEASE • REDUCES SEVERITY/INCIDENCE • PURPURA HEMORRHAGICA (IMMUNE-MEDIATED VASCULITIS) POSSIBLE ADVERSE EFFECT OF VACCINATION LIVESTOCK IMMUNIZATIONS • PIGS • AT WEANING VACCINATED AGAINST ERYSIPELAS • CAUSED BY BACTERIA ERYSIPELOTHRIX rhusiopathiae • CLINICAL SIGNS: • FEVER, SKIN LESIONS, SUDDEN DEATH • IF SURVIVE ACUTE INFECTION MAY DEVELOP CHRONIC ARTHRITIS, ENDOCARDITIS LEADING TO POOR GROWTH • SOME ALSO VACCINATED AGAINST MYCOPLASMA AT WEANING • BACTERIA • CAUSES PNEUMONIA LIVESTOCK IMMUNIZATIONS • PIGS • BREEDING PIGS COMMONLY VACCINATED FOR • LEPTOSPIROSIS • PARVOVIRUS • ERYSIPELAS-AGAIN BEFORE ENTERING BREEDING HERD • LEPTOSPIROSIS • L. pomona, L. bratislava AND OTHERS • CAUSES INFERTILITY, ABORTION, STILLBIRTH, BIRTH OF WEAK PIGLETS LIVESTOCK IMMUNIZATIONS • PIGS • PURCHASED FOR BREEDING SHOULD BE TESTED FOR BRUCELLOSIS, PSEUDORABIES, PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME (PRRS) • COMMERCIAL PIGS PSEUDORABIES FREE, BUT FERAL PIGS MAY STILL CARRY DZ • BRUCELLOSIS • MAY CAUSE ABORTION, INFERTILITY • ZOONOTIC • PSEUDORABIES • CAUSES INFERTILITY, DEATH IN YOUNG, RESPIRATORY DISEASE W/POSSIBILITY OF CHRONIC INFECTION LIVESTOCK IMMUNIZATIONS • PIGS • PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME (PRRS) • VIRUS • CAUSES REPRODUCTIVE FAILURE, RESPIRATORY DISEASE, CHRONIC INFECTIONS • SOWS BOOSTERED ERYSIPELAS/LEPTOSPIROSIS WHEN LITTERS WEANED • BOARS GIVEN SAME VAX EVERY 6 MONTHS • SOWS/GILTS MAY ALSO BE VACCINATED AGAINST E. coli & PARVOVIRUS • DIMINISH OCCURRENCE DIARRHEA IN THEIR OFFSPRING • PARVOVIRUS • INFERTILITY/ABORTION LIVESTOCK IMMUNIZATIONS • CATTLE VACCINES • ADMINISTERED AS LABELED • IM OR SQ • ONLY IN THE NECK REGION TO MAINTAIN MEAT QUALITY • AWARENESS & ADHERENCE TO WITHDRAWAL OR WITHHOLDING PERIODS • ANIMAL & ITS PRODUCTS CANNOT BE SOLD FOR HUMAN CONSUMPTION LIVESTOCK IMMUNIZATIONS • CATTLE • PREGNANT COWS VACCINATED AGAINST FOLLOWING TO PROTECT DEVELOPMENT DIARRHEA • E. coli • ROTAVIRUS • CORONAVIRUS • CALF HOOD VACCINE PROGRAMS • CLOSTRIDIAL DISEASES • VIRAL RESPIRATORY & REPRODUCTIVE PATHOGENS • BRUCELLOSIS (BANGS) LIVESTOCK IMMUNIZATIONS • CATTLE • CLOSTRIDIAL DISEASES • CAUSED BY BACTERIA CLOSTRIDIUM spp. • TETANUS • BLACK LEG • MALIGNANT EDEMA LIVESTOCK IMMUNIZATIONS • CATTLE • VIRAL REPRODUCTIVE & RESPIRATORY PATHOGENS OFTEN COMBINATION VACCINES • BOVINE DIARRHEA VIRUS (BVD) • DIARRHEA, MUCOSAL ULCERS, ABORTION, IMMUNOSUPPRESSION • INFECTIOUS BOVINE RHINOTRACHEITIS (IBR) • PARAINFLUENZA 3 (PI3) • BOVINE RESPIRATORY SYNCYTIAL VIRUS (BRSV) • +/- HISTOPHILUS somnus • SUDDEN DEATH, FEVER, DEPRESSION • +/- LEPTOSPIRA spp. • INFERTILITY, ABORTION LIVESTOCK IMMUNIZATIONS • CATTLE • BRUCELLOSIS (BANGS) VACCINE • BACTERIA BRUCELLA abortus • ASSOCIATE WITH ABORTION, INFERTILITY • VACCINATION REPORTED TO USDA • MARKED BY ORANGE EAR TAG/TATTOO RIGHT EAR • ONLY HEIFERS YOUNGER THAN 1 YEAR LEGALLY VACCINATED • SPECIAL CARE HANDLING/ADMINISTRATION RB51 • VAX CONTAINS LIVE ORGANISMS • ZOONOTIC • NO BOOSTER VACCINATION LIVESTOCK IMMUNIZATIONS • CATTLE • ADULT CATTLE RECEIVE • VIRAL RESPIRATORY AND REPRODUCTIVE PATHOGENS (DESCRIBED ABOVE) • IBR • BVD • PI3 • BRSV • CAMPYLOBACTERIOSIS-INFERTILITY • LEPTOSPIROSIS LIVESTOCK IMMUNIZATIONS • SMALL RUMINANTS • PREGNANT EWES/DOES • CLOSTRIDIAL DISEASES • C. perfringens TYPES C & D • C. tetani • CAUSE USUALLY FATAL DZ LAMB DYSENTERY, OVEREATING DISEASE, TETANUS • GIVEN TO PROTECT OFFSPRING LIVESTOCK IMMUNIZATIONS • SMALL RUMINANTS • MAY BE VACCINATED AGAINST CONTAGIOUS ECTHYMA • ORF OR SORE MOUTH • VIRAL DISEASE – POXVIRUS • CLINICAL SIGNS: • PAINFUL LESIONS OF SKIN ON MOUTH YOUNG ANIMALS • PAINFUL LESIONS OF SKIN ON MOUTH & TEATS OF EWES/DOES • RESULTS DECREASED NURSING • MUST BE DONE WELL BEFORE LAMBING/KIDDING SO NEWBORN WON’T BE AFFECTED • VACCINE CONTAINS LIVE VIRUS – CARE WHEN HANDLING VACCINE • ZOONOTIC LIVESTOCK IMMUNIZATIONS • SMALL RUMINANTS • KEPT AS PETS • RECOMMEND RABIES VACCINATION • NOT USED IN COMMERCIAL FLOCKS QUESTIONS?