Pig forensics

Question 1

Origin of Swine erysipelas?

Answer 1

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

Question 2

Significance of Swine erysipelas?

Answer 2

Acute case: if death
§ Chronic case: arthritis, skin necrosis or endocarditis

Question 3

Origin of Smedi?

Answer 3

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

Question 4

Significance of SMEDI?

Answer 4

Abortion or decreased litter size

Question 5

Diagnosis of SMEDI?

Answer 5

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