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Classical Swine Fever (CSF)

Classical Swine Fever (CSF). Host - contagious febrile disease of pigs Agent - Pestivirus Spread - ingestion, inhalation, genital infection, transplacental infection of fetuses Clinical signs - fever, purple discoloration

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Classical Swine Fever (CSF)

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  1. Classical Swine Fever (CSF) • Host - contagious febrile disease of pigs • Agent - Pestivirus • Spread - ingestion, inhalation, genital infection, transplacental infection of fetuses • Clinical signs - fever, purple discoloration of abdominal skin, necrosis of the tips of extremities, lack of coordination, tremors, convulsions, circling, death

  2. African Swine Fever (ASF) • Host - Highly contagious viral disease of pigs (domestic and feral); replicates in soft ticks (Ornithodoros spp) • Agent - Asfivirus • Spread - Direct and indirect contact, vectors • Clinical signs - Fever, reddening or darkening of the skin (particularly ears and snout), conjunctivitis, labored breathing, coughing, abortion, weakness, diarrhea, death

  3. Swine Vesicular Disease (SVD) • Host - Typically a transient disease of pigs • Agent - Enterovirus • Spread - Direct, indirect, fomites • Clinical signs - Fever, lameness, vesicles on the snout, feet, mouth, tongue and teats; young animals are more severely affected • Recovery within 1 to 3 weeks; little to no mortality

  4. Foot and Mouth Disease (FMD) • Host - Highly contagious viral diseases primarily cloven-hoofed domestic and feral animals • Agent - Apthovirus • Spread - Direct, aerosol, indirect, fomites • Clinical signs - Fever, vesicular lesions and subsequent erosions, drop in milk production, unthriftiness

  5. Bovine Spongiform Encephalopathy (BSE) • Host - Cattle, sheep, goats (exotic and domestic cats), other species • Agent - Prions (?) • Spread - Contaminated feed/oral • Clinical signs - Chronic, afebrile degenerative affecting CNS resulting in death • SRMs-brain, nervous tissue, bone marrow, spinal cord distal ileum

  6. Highly Pathogenic Avian Influenza H5N1 (HPAI H5N1) • Host - Contagious viral disease of poultry and other birds; also affects humans • Agent - Influenza virus type A • Highly pathogenic forms - H groups 5 and 7 • Spread - Direct and indirect contact • Clinical signs - Sudden death, drop in egg production, depression, nasal and ocular discharge, swollen cyanotic of comb/wattles, nervous signs

  7. Exotic Newcastle Disease (END) • Host - Highly contagious viral disease affecting poultry and other bird species • Host - Paramyxovirus PMV-1 (Avulavirus) • Velogenic (viscerotropic and neurotropic) • Spread - Direct and indirect (aerosol) • Clinical signs - Sudden death, edema of head, loss of appetite, coughing, dsypnea, nervous signs, paralysis, twisted neck, drop in egg production

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