Standard Diagnostic Manual

2.2 Swine disease

2.2.1 Epidemiological characteristics

State of Occurrence

Suspected Disease

Infection and incidence

1. high morbidity and high

mortality

2. high morbility and low

mortality

3. low morbidity and high

mortality

1. TGE (41), PED (37), SF (40), Coli.

in neonatal piglets (43), App. (49),

SE (54), Sal. (51)

2. In piglet : FMD, SD (53), Past. (50),

Strep. (52), H.ps. (45), MPS (47),

Coc. (58), Tryp. (62), SE (54)

In fattening and breeding : AD (35)

3. Strep. in grower and adult (52)

Age of infection

1. < 2 wks

2.3 - 4 wks

3.5 - 8 wks

4.2 - 3 mths.

5.4 - 5 mths (fattening pig)

6. all ages

1. TGE (41), PED (37), Coli. (43),

NE (48), SF (40), AD

2. SP, H.ps. (45), Coc. (56), SF (40),

Coli. (43), AD

3. SE (54), NE, Sal. (51), Past. (50),

Strep. (52), SF (40), Coli. (43), MPS (47),

AR (42), H.ps (45), App. (49), OD,

Bacterial arthritis

4. SF (40), MPS (47), SE (54), Sal. (51),

Past. (50), App (49)

5. SD (53), Past. (50), Sal. (51), MPS (47),

SE (54), AR (42), AD (35)

6. SF (40), FMD, AD (35), Strep. (52),

PRRS (39)

Seasonal occurrence

1. cool

2. rainy

1. AD (35), Coli. (43), TGE

2. SD (53), SE (54), Sal. (51), Past. (50),

Lep. (46), Coc. (56)

Size of herd outbreak

1. herd unit

2. farrowing pen

1. SF (40), FMD,MPS (47), SD (53), SE (54),

NE (48), App. (49), PRRS (39)

2. AD (35), TGE (41), PED (37), Coli. (43),

Strep. (52), PRRS (39)

Onset factors

1. enviromental contamination

2. transportation from the

contaminated area

1. SF (40), SD (53), Sal. (51), Coli. (43),

App. (49)

2. TGE (41), PED (37), SF (40), FMD, MPS (47),

Strep. (52), Sal (51)

Disposing factors

1. stress

2. poor sanitation

1. H.ps. (45), Strep. (52), Past. (50), Tryp. (62),

AD (35)

2. Coli. (43), Sal. (51), MPS (47), Past. (50),

App. (49), Bacterial arthritis

Abortion

SF (40), AD (35), PRRS (39), SE (54), Lep. (46),

Bru., Tryp. (62), Toxo. (60), Epery. (57),JIE(36),

Parvo

Mummified fetus

AD (35), Parvo. (38),JBE(36)

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