Diarrheal Diseases in Pigs by Age Group

Organism/Disease

Age Group

Nursing (0–3 weeks)

Weaning (3–9 weeks)

Growing-finishing or breeding (≥10 weeks)

Bacterial

Clostridioides difficile enteritis

Very common

Uncommon

Rare/Does not occur

Clostridium perfringens type A enteritis

Common

Rare/Does not occur

Rare/Does not occur

Clostridium perfringens type C enteritis

Common

Rare/Does not occur

Rare/Does not occur

Enteric colibacillosis

Very common

Very common

Rare/Does not occur

Intestinal salmonellosis

Uncommon

Very common

Very common

Intestinal spirochetosis

Rare/Does not occur

Very common

Common

Porcine proliferative enteropathy

Rare/Does not occur

Common

Very common

Swine dysentery

Rare/Does not Occur

Common

Very common

Parasitic

Cryptosporidium sp

Uncommon

Uncommon

Rare/Does not Occur

Cystoisospora suis

Very common

Uncommon

Rare/Does not Occur

Strongyloides ransomi

Uncommon

Uncommon

Uncommon

Trichuris suis

Rare/Does not occur

Rare/Does not occur

Common+

Viral

Porcine circovirus diarrhea

Uncommon

Common

Common

Porcine coronaviral enteritis

Very common

Very common

Common

Porcine delta coronavirus

Very common

Common

Common

Rotaviral enteritis

Very common

Very common

Rare/uncommon

Transmissible gastroenteritis

Very common

Very common

Common