biosecurity on the game farm: how to stay clean · •movement control (multi-species camps, camp...
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DR JOHAN STEYLSENIOR LECTURER: VETERINARY PATHOLOGY, FACULTY OF VETERINARY SCIENCE, UNIVERSITY OF PRETORIA, ONDERSTEPOORT
BIOSECURITY ON THE GAME FARM: HOW TO STAY CLEAN
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INTRODUCTION• What is Biosecurity ?• Controlled diseases vs. the rest• International vs. National vs. Regional vs. Farm
✓ OIE (Office International des Epizooties/ World Organisation for animal health) (http://www.oie.int/en/)
✓ List of controlled diseases (DAFF) (https://www.daff.gov.za/daffweb3/Branches/Agricultural-Production-Health-Food-Safety/Animal-Health/disease-control/list)
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PRINCIPLES of BIOSECURITY MITIGATION
1.Prevention of disease introduction
2.Prevention of disease spread
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Prevention of disease introduction• Pre-introduction disease risk assessment (perceived vs. reality) e.g. HW
• Movement control (e.g. MCF, TB, FMD)
• Quarantine Diagnostic services and capabilities• Identification of animals• Trade with reputable producers vs. “Closed herd” principle vs. Speculation• Awareness and control of sources: Veterinarians, Workers (TB status / tapeworms),
Equipment, Feed and Water sources (river vs. borehole)
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I’m +
I’m Negative
I’m PositiveI’m not sure?
Huh?
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Prevention of disease spread• Movement control (multi-species camps, camp location, neighbouring risks)• Stocking density control (intensification - esp. contagious diseases)• Test and cull• Cleaning and disinfection (equipment, environment, carcass disposal)
• Vector and reservoir control (e.g. corridor disease in Buffalo vs. theileriosis in Roan)
• Treatment (e.g. wireworm, pasteurellosis etc.)
• Vaccination (NOTE: mostly registered for domestics only)
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SPECIES DISEASE RISKS (immunisable)
Buffalo Haemorrhagic septicaemia, Black quarter, Botulism, Clostridial enteritis, Anthrax, Rift valley fever
Sable antelope Black quarter, Botulism, Pulpy kidney, Respiratory viral disease (PI3, BRSV), Anthrax
Roan antelope Respiratory viral disease (PI3, BRSV), Botulism, Anthrax
Wildebeest Pulpy kidney, Black quarter
Springbok Heartwater, Pulpy kidney, Clostridial enteritis
Giraffe Black quarter / malignant oedema, Botulism
Rhino (white) Black quarter / malignant oedema
Species and their diseases for which immunisation using vaccines should be considered(Red: Essential; Purple: recommended; Green: optional)
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SPECIES DISEASE RISKS (immunisable)
Duiker (blue) Haemorrhagic septicaemia, Lumpy jaw
Kudu Anthrax
All wild felids and canines
Parvo virus, Rabies, Distemper virus
Eland, Oryx, Blesbok, Waterbuck, Zebra, Hartebeest, Impala, Tsessebe, Steenbok, Bushbuck, Nyala etc.
Low risk species for current immunisable conditions
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Malignant catarrhal fever (MCF)
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Taenia multiceps
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Gedoelstiasis
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Cryptosporidiosis Salmonella etc.
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Brucellosis
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Tuberculosis
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Parvovirus
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GOLDEN RULE
Know your species associated disease risks&
STAY CLEAN !!
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THANK YOU