Swine Flashcards
Ascaris suum
common name - roundworm
- Liver Damage may predispose swine to viral/bacterial pneumonia
- Heavy loads of adult worms can cause intestinal obstruction
- ill thrift, weight loss, respiratory symptoms
Oesophagostomum dentatum
common name - nodular worm of pigs
- Larval stage causes formation of large nodules within wall of large intestine
- anorexia, diarrhea, weight loss, GI disturbances
Hyostrongylus rubidus
Trichostrongylus axei
Ascarops strongylina
Physocephalus sexalatus
common name - red stomach worm (H. rubidus) stomach worms for the rest
- dehydration, weight loss, diarrhea, anemia
Trichuris suis
common name - whipworm
- severe diarrhea +/- blood and dehydration
- anemia, diarrhea, anorexia, ill-thrift, stunted growth
Trichinella spiralis
common name - Trichina worm
- larvae found encysted in muscle tissue
- Degree of tissue damage depends on # present & where they occur
- TRICHINELLOSIS - infection is spread when new host eats meat of infected animal, humans acquire infection when they eat improperly cooked meat from infected pigs
Strongyloides ransomi
common name - threadworm
- diarrhea in young piglets, severe infections can be fatal
Metastrongylus elongatus
common name - lungworms
- persistent cough, poor growth rate, ill-thrift, heavy infections cause respiratory disease
Macrocanthorhynchus hirudinaceus
common name - thorny-headed worm
- Spine attachment may cause rupture of small intestine
Taenie solium
common name - human pork tapeworm
- Human primary host, swine are intermediate host
Humans acquire infection when they eat improperly cooked meat from infected pigs
- at meat inspection – cystcerci present in swine skeletal and cardiac muscle
Cystoisospora suis, Eimeria spp., Balantidium coli, Cryptosporidium spp.
- clinical syndrome called cocciodiosis, diarrhea, dehydrations, weight loss, especially young piglets
- Treatment
B. coli - tetracycline
Eimeria spp. – sulfamethzine
Cystoisospora suis - decoquinate
