Swine Diseases: Etiology, Transmission, and Clinical Signs

Parvovirus

Only gilts are affected? True

Parvovirus transmission

Direct contact and transplacental

Parvovirus clinical signs in embryos (< 30 days)

Embryonic mortality

Parvovirus clinical signs in fetuses (30-70 days)

Mummified piglets

Parvovirus treatment

None

Porcine Repro + Resp. Syndrome (PRRS) etiology

Arterivirus

PRRS clinical signs in sows

Late term abortion, still birth, mummies, blue ears (cyanosis), mastitis/agalactia

PRRS clinical signs in piglets

Weak, diarrhea, respiratory disease

Brucellosis etiology

Brucella suis

Brucellosis transmission

Ingestion of contaminated discharge, piglets nursing infected sow, and venereal

Brucellosis treatment

None (zoonotic and reportable)

Leptospirosis affected organs

Liver and kidney

Erysipelas common name

"Diamond skin disease"

Erysipelas etiology

Erysipelothrix rhusiopathiae (bacteria)

Exudative Epidermitis common name

"Greasy pig disease"

Exudative Epidermitis etiology

Staphylococcus hyicus (bacteria)

Pseudorabies common name

"Mad itch"

Pseudorabies etiology

Herpes virus (pig is the only natural host)

Salt Poisoning cause

Sodium ion toxicity and water deprivation

Mycoplasmal Polyserositis + Arthritis etiology

Mycoplasma hyorhinis

Colibacillosis etiology

E. coli

Clostridial Scours etiology

Clostridium perfringens type C

Rotavirus clinical signs in pigs

2 weeks old, profuse, watery, pasty, curd-like diarrhea

Transmissible Gastroenteritis (TGE) etiology

TGE Coronavirus

Porcine Epidemic Diarrhea Virus (PEDv) mortality in pre-weaned

100%

Proliferative Ileitis etiology

Lawsonia intracellularis

Swine Dysentery etiology

Brachyspira hyodysenteriae

Atrophic Rhinitis primary etiology

Bordetella bronchiseptica

Swine Influenza etiology

Virus type A

Mycoplasmal Pneumonia etiology

Mycoplasma hyopneumoniae

Actinobacillus Pleuropneumonia (APP) etiology

Type 1 + Type 2

Circovirus (PMWS) etiology

Type 2 (PCV2)

Glasser's Disease etiology

Haemophilus parasuis

Streptococcosis (Streptococcal Meningitis) etiology

Streptococcus suis

Coccidiosis (most important in nursing piglets) etiology

Isospora suis

Giardiasis etiology

Giardia intestinalis

Whipworm etiology

Trichuris suis

Eperythrozoonosis etiology

Eperythrozoon suis (rickettsia)

Scabies/mange etiology

Sarcoptes scabiei (burrowing mites)

Lice (Pediculosis) etiology

Haematopinus suis (sucking louse)

Ascariasis (round worm) etiology

Ascaris suum