threadworm

Equine Diarrhea - NAVLE Review #3

Originally posted by equinefeather

Most common causes for Equine Diarrhea: 

Foal Diarrhea:

Non-infectious:

  • Foal-heat Diarrhea: occurs 4-14 days after birth, self-limiting, BAR foals, no fever present.

Bacterial:

  • Clostridia ( Clostridium perfringens and Clostridium difficile): Most common bacterial cause of diarrhea in foals. C. perfringes affects foals <7 days; Type A most common. C. difficile causes hemorrhagic diarrhea and death in all foal age groups.
  • Salmonella: Second most common cause of diarrhea in foals. Usually acquired from dam. 
  • Lawsonia intracellularis (Equine Proliferative Enteropathy)- older foals (3-8 months)
  • Rhodococcus equi - older foals (1-6 months)

Viral:

Rotavirus: most common viral cause of diarrhea. Occurs 2 days- 2 months of age

Parasitic:

  • Cryptosporidium
  • Strongyloides westeri (threadworm): 1 week - 2 months

Originally posted by sofunnygifs

Adult Horse Diarrhea:

Non-infectious:

  • Right Dorsal Colitis - NSAIDs abuse and overuse 

Bacterial:

  • Salmonella
  • Clostridia (Clostridium perfringens and Clostridium difficile)
  • Neorickettsia risticii (Potomac Horse Fever)

Viral:

  • Coronavirus: 2-4 yrs 
Pig Diarrhea - NAVLE Review #1

Originally posted by diamondsonmyhead

Most common differentials for  PIG diarrhea: 

Piglet Diarrhea (Neonatal):

Bacterial causes:

  • E. coli ( Enterotoxigenic K88, K99, 987P, F41  ) : Colibacillosis - white scours; <4 days (Most common cause)
  • Clostridum perfringes Type C: hemorrhagic enteritis < 7 days
  • Clostridum perfringes Type A: creamy diarrhea - 1st week of life

Viral Causes:

  • Coronavirus (Transmissible Gastroenteritis): Variable; <2 wks = death
  • Rotavirus - 7 - 14 days

Parasitic:

  • Isosoprora suis (Coccidiosis): 4.5 - 5 days - watery- pasty diarrhea
  • Strongyloides ransomi (SI threadworm) - 10-14 day, hemorrhagic diarrhea, southern states

Weaned Pigs -  weaning @ 21 days 

Bacterial:

  • E. coli ( Enterotoxigenic F18, F4  ) : Colibacillosis 

Viral:

  • Rotavirus
  • Coronavirus (Enteric Transmissible Gastroenteritis) 

Originally posted by llamaenllamas


Grow/ Finishers

Bacterial:

  • Salmonella (S. choleraesuis, S. typhimurium) - watery “yellow” diarrhea; S. typhimurium = rectal strictures, S. cholerasesuis = pneumonia/ septicemia - Common in feeders/growers, can occur in all ages
  • Bracchyspira hydrodysenteriae - mucohemorrhagic colitis - common in feeders, can occur in all ages
  • Lawsonia intracellularis (Proliferative Enteritis) - hemorrhagic diarrhea

Parasitic 

  • Trichuris suis -  mucoid to mucohemorrhagic diarrhea

Misc.

  • Porcine Epidemic Diarrhea Virus (PEDV) : Coronavirus effects all ages of pigs with varying morbidity and moralities.