Start of test three Flock Health
Sheep Misnomers Sick sheep are dead sheep All sheep are born looking for a place to die
Sheep Facts normal n Body Temperature n Respiration rate - 20 n Heart beat - 75
Major Health Concerns n Abortions n Pneumonia n Coccidiosis n Digestive Disorders n Internal Parasites n Footrot
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
AbortionsAbortions Toxoplasmosis Enzootic Abortion in Ewes (EAE or chlamydia) Campylobater Vibrio
Abortion Prevention Know what diseases you have Vaccinate Feed antibiotics ????? Feed coccidiostats, not approved Biosecurity Isolate aborting ewes Vet Client Patient Relationship
CoccidiosisCoccidiosis Environmental problem Fecal oral Use feed additives Bovatec Deccox Water treatments Corrid Sulfa
Digestive Disorders Overeating Vaccination Use feed additives OTC or CTC Feedbunk management
Digestive Disorders Acidosis Gradual ration changes Feedbunk management Secure feed storage May lead to polio
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
Internal Parasites Clean pasture No sheep for 6 months Jan-June or July- Dec Hay field re-growth Crop residue
Internal Parasites Effective dosing correctly administered route and amount good stockmanship Rotating de-wormers ????
Footrot & Producer Attitudes 1. Accept footrot and limping sheep 2. Believe facilities are permanently contaminated 3. Too soft on trimming
Producer Attitudes 4. Do not regularly trim feet 5. Want a shot or feed additive to cure the problem
Footrot basics n Dichelobacter nodosus n Fusobacterium necrophorum (always present)
TransmissionTransmission n From infected to clean sheep n Best environmental conditions degrees wet soil or bedding hoof injury
PreventionPrevention n Assume all flocks have footrot n Quarantine new purchases n Contaminated trailers n Trust no one
TreatmentTreatment n Harsh trimming n Foot soaks (60 minutes) n 10% zinc sulfate with wetting agent n Vaccination (Footvax not available)
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)
Summary n Never buy it n Footrot free flocks do exist
Foot Scald n Less hoof damage u whitish, pasty material between the hooves n Wet conditions n Foot soaks very effective n Antibiotics
SoremouthSoremouth n Zoonotic disease n Long lived n Timing is everything n Mastitis is greatest problem u youth flocks
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