Characteristics of Staphylococcus aureus ioslated of
peracute, acute and chronic bovine mastitis.
The
peracute form of anthrax occurs mainly in ruminants, especially cattle, sheep, and goats, with signs including ataxia, dyspnea, trembling, seizures, and sudden death.
There are three forms of anthrax -
peracute, acute and subacute.
Peter Lohe (Firenze: Sansoni, 1980): 168: "Sunt enim in iis, quae meteora appellantur, ab Aristotele quidem
peracute, ab Alberto vero, cui Magno cognomen est, etiam aperte perscripta.
Four syndromes are recognized: the
peracute, intestinal, head and eye, and mild.
In fact, its most aggressive form,
peracute EHD, will kill deer practically overnight.
Seventeen showed an "atypical
peracute form" (aPF) of the disease, and 3 had a chronic form (CF).
In addition, during the first few days of lactation the udder is most susceptible to
peracute mastitis, as a result of engorgement and a greater dilation of teat duct and cistern (Radostits et al.
The extreme virulence of the virus strain led to an almost
peracute disease and 100% mortality.
Clinical appearance of equine urticaria presents as wheals, with acute to
peracute onset, developing within minutes to hours [15], distributed bilateral and symmetrical on the trunk, neck, thorax, abdomen and extremities [8, 15].
Erysipelas has also been reported in reptiles, amphibians, marine mammals, and fish and typically presents without clinical signs (reptiles, amphibians, fish) or as
peracute, acute, or chronic forms typically having septicemia and skin lesions (marine mammals).
These nonspecific hematologic responses appear consistent with a
peracute to acute viral infection.
