Pig forensics Flashcards
Origin of Swine erysipelas?
Minimum incubation period: 24 hours
§ If >7 days it cannot be originated back before delivery
§ 1-7 days: examination of predisposing factors (overcrowding, transport, etc.)
§ Endocarditis: minimum 3 weeks
Significance of Swine erysipelas?
Acute case: if death
§ Chronic case: arthritis, skin necrosis or endocarditis
Origin of Smedi?
Infection: around insemination or before 70th day of pregnancy
§ Virus in the fetus: 23-32 days
§ Death of the fetus + 5-70 days
§ Size of the fetus of 41 days of age: 47 mm, and of 70 days of age: 108 mm
Significance of SMEDI?
Abortion or decreased litter size
Diagnosis of SMEDI?
Usually in young gilts (maternal immunity until 8-9 months of age
Clinical signs, laboratory examinations:
§ Absorbtion of fetuses
§ Mumification
§ Less than 6 piglets
§ Stillbirth
§ Apparent infertility