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Published byCornelius Day Modified over 9 years ago
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3-31-09 Start of test three Flock Health
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Sheep Misnomers Sick sheep are dead sheep All sheep are born looking for a place to die
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Sheep Facts normal n Body Temperature - 102 n Respiration rate - 20 n Heart beat - 75
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Major Health Concerns n Abortions n Pneumonia n Coccidiosis n Digestive Disorders n Internal Parasites n Footrot
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Healthy sheep n Buy healthy sheep n Minimize stress u space u nutrition u air quality u social n Biosecurity u new sheep u visitors u stock trailers u scales u shows
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AbortionsAbortions Toxoplasmosis Enzootic Abortion in Ewes (EAE or chlamydia) Campylobater Vibrio
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Abortion Prevention Know what diseases you have Vaccinate Feed antibiotics ????? Feed coccidiostats, not approved Biosecurity Isolate aborting ewes Vet Client Patient Relationship
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CoccidiosisCoccidiosis Environmental problem Fecal oral Use feed additives Bovatec Deccox Water treatments Corrid Sulfa
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Digestive Disorders Overeating Vaccination Use feed additives OTC or CTC Feedbunk management
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Digestive Disorders Acidosis Gradual ration changes Feedbunk management Secure feed storage May lead to polio
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Internal Parasites Strategic approach some de-worm every 21 days $$$ Key treatment times 1. Pre-turn out in spring 2. Pre-lambing Success depends on clean pastures
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Internal Parasites Clean pasture No sheep for 6 months Jan-June or July- Dec Hay field re-growth Crop residue
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Internal Parasites Effective dosing correctly administered route and amount good stockmanship Rotating de-wormers ????
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Footrot & Producer Attitudes 1. Accept footrot and limping sheep 2. Believe facilities are permanently contaminated 3. Too soft on trimming
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Producer Attitudes 4. Do not regularly trim feet 5. Want a shot or feed additive to cure the problem
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Footrot basics n Dichelobacter nodosus n Fusobacterium necrophorum (always present)
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TransmissionTransmission n From infected to clean sheep n Best environmental conditions 40-70 degrees wet soil or bedding hoof injury
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PreventionPrevention n Assume all flocks have footrot n Quarantine new purchases n Contaminated trailers n Trust no one
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TreatmentTreatment n Harsh trimming n Foot soaks (60 minutes) n 10% zinc sulfate with wetting agent n Vaccination (Footvax not available)
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TreatmentTreatment n Separate clean from infected u Can only live outside the foot for less than 2 weeks n Cull non-responders n Dry pens n Antibiotics (LA200 at 5mg/kg every other day)
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Summary n Never buy it n Footrot free flocks do exist
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Foot Scald n Less hoof damage u whitish, pasty material between the hooves n Wet conditions n Foot soaks very effective n Antibiotics
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SoremouthSoremouth n Zoonotic disease n Long lived n Timing is everything n Mastitis is greatest problem u youth flocks
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Summary on Health n You can not afford to treat for every possible problem n Biosecurity and stress n VPCR n Prevention is cheaper than treatment n Know your flocks health problems
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