Unit 3 - Swine Age Group Enteric Disease + Common Presentations

Question 1

What are the top differentials for enteric disease in piglets 1-6 days of age?

Answer 1

C. perfringens type A
C. perfringens type C
C. difficile
E. coli
TGE
PED
Rotavirus
Salmonella

Question 2

What is the most prominent clinical presentation of C. perfringens type C infection in piglets 1-6 days of age?

Answer 2

1-4 days; Claret red-colored diarrhea, acute deaths,

high mortality, may have subacute and chronic forms.

Question 3

What is the most prominent clinical presentation of C. perfringens type A infection in piglets 1-6 days of age?

Answer 3

Increasingly recognized as a cause of watery diarrhea in this age group (out to a week or ten days) The diarrhea is generally mild but can be a cause of
economic loss. No blood in the feces of these pigs.

Question 4

What is the most prominent clinical presentation of C. difficile infection in piglets 1-6 days of age?

Answer 4

1-7 days; Mesocolonic edema, mild diarrhea, feces with a creamy consistency.

Question 5

What is the most prominent clinical presentation of E. coli infection in piglets 1-6 days of age?

Answer 5

1-3 days; Profuse watery diarrhea and dehydration; gastric distention, watery contents in small intestine

Question 6

What is the most prominent clinical presentation of TGE infection in piglets 1-6 days of age?

Answer 6

Profuse watery greenish-gray diarrhea without blood, vomiting is prominent, high mortality, older pigs may be affected but not as severely.

Question 7

What is the most prominent clinical presentation of PED infection in piglets 1-6 days of age?

Answer 7

Clinical signs are similar to virulent forms of TGE.

Question 8

What is the most prominent clinical presentation of Rotavirus infection in piglets 1-6 days of age?

Answer 8

Severity depends upon antibody levels in the sow’s milk, presence of secondary invaders, and the level of exposure. Subclinical to severe
watery diarrhea

Question 9

What are the top differentials for enteric disease in piglets 7-21 days of age?

Answer 9

Coccidiosis
E. coli
TGE
PED
Rotavirus
Salmonella
Strongyloides

Question 10

What is the most prominent clinical presentation of coccidiosis infection in piglets 7-21 days of age?

Answer 10

7 to 15 days of age. Yellowish to grayish diarrhea that may progress to watery diarrhea; no blood in feces; No response to antibiotics.

Question 11

What is the most prominent clinical presentation of E. coli infection in piglets 7-21 days of age?

Answer 11

Usually less severe than neonatal disease. May respond well to antibiotics.

Question 12

What is the most prominent clinical presentation of TGE infection in piglets 7-21 days of age?

Answer 12

Pigs at the upper age range may survive. Others die.

Question 13

What is the most prominent clinical presentation of PED infection in piglets 7-21 days of age?

Answer 13

Similar to TGE

Question 14

What is the most prominent clinical presentation of Rotavirus infection in piglets 7-21 days of age?

Answer 14

Most severe in 7 to 41-day-old pigs. Can see severe disease, especially in early weaned pigs that get a high infectious dose and when E. coli is also
present.

Question 15

What is the most prominent clinical presentation of Salmonella infection in piglets 7-21 days of age?

Answer 15

Not as common as in post-weaning pigs. See more problems as pigs near weaning. May see sporadic acute deaths.

Question 16

What is the most prominent clinical presentation of strongyloides infection in piglets 7-21 days of age?

Answer 16

Diarrhea followed by progressive dehydration, death usually occurs before 10 -14 days in heavy infestations. Stunting and unthriftiness are more
common.

Question 17

What are the top differentials for enteric disease in nursery pigs?

Answer 17

Rotavirus
E. coli
E. coli (F18)
TGE/PED
Salmonella
Trichuris suis
Brachyspira hyodysentariae

Question 18

What is the most prominent clinical presentation of Rotavirus in nursery pigs?

Answer 18

Combined with E. coli, it is said to be the most common cause of postweaning diarrhea.

Question 19

What is the most prominent clinical presentation of E. coli in nursery pigs?

Answer 19

Hemolytic strains, usually mild to moderate diarrhea when uncomplicated.

Question 20

What is the most prominent clinical presentation of E. coli (F18) in nursery pigs?

Answer 20

It occurs post-weaning.

Question 21

What is the most prominent clinical presentation of TGE/PED in nursery pigs?

Answer 21

Diarrhea without high mortality, depending on the age.

Question 22

What is the most prominent clinical presentation of Salmonella in nursery pigs?

Answer 22

Usually see occasional septicemic deaths and little to moderate diarrhea.
May have some blood in the feces.

Question 23

What is the most prominent clinical presentation of Trichuris suis in nursery pigs?

Answer 23

Mucohemorrhagic diarrhea, large intestine only. Diagnose by finding the parasites.

Question 24

What is the most prominent clinical presentation of Brachyspira hyodysentariae in nursery pigs?

Answer 24

Bloody dysentery. Not as common as in the grower stage. May appear to
have one to three cycles of disease at about 3 week intervals.

Question 25

What are the top differentials for enteric disease in Grower-Finisher pigs?

Answer 25

Brachyspira hyodysentariae/other species
Trichuris suis
Proliferative enteropathy

Question 26

What is the most prominent clinical presentation of Brachyspira hyodysentariae/other species in Grower-Finisher pigs?

Answer 26

Bloody dysentery

Question 27

What is the most prominent clinical presentation of Trichuris suis in Grower-Finisher pigs?

Answer 27

Mucohemorrhagic diarrhea.

Question 28

What is the most prominent clinical presentation of Proliferative enteropathy in Grower-Finisher pigs?

Answer 28

Subclinical to severe diarrhea, dullness, anorexia. May have moderate mortality with the more severe forms. Replacement gilts may have severe problems with the PHE form of the disease, especially if unvaccinated.