Swine Diarrhea Part II

Question 1

who does Salmonella choleraesuis affect?

Answer 1

3-12 weeks

Question 2

what percentage of pigs with Salmonella choleraesuis have diarrhea?

Answer 2

5%

Question 3

how does Salmonella spp enter the body?

Answer 3

crosses from tonsil into the blood stream

Question 4

what are the forms of Salmonella cholerasuis?

Answer 4

septicemic form: coughing
enterocolitic form: squirting

Question 5

how can you treat for Salmonella spp?

Answer 5

ceftiofur injected
gentamycin or neomycin in water
segregate affected pigs
avoid environmental stressors

Question 6

how common is Lawsonia intracellularis?

Answer 6

present on 96% of farms

Question 7

how can you treat swine dysentery?

Answer 7

injectable tylosin
tylosin, tiamulin, lincomycin in feed

Question 8

what causes a whipworm infection?

Answer 8

Trichuris suis

Question 9

who gets gastric ulcers usually?

Answer 9

12-20 week old pigs

Question 10

is there vomiting with E. coli?

Answer 10

no

Question 11

what are the signs of E. coli?

Answer 11

wet tails, rud butts
some dehydration
most bright alert and eating well
some neurological signs

Question 12

what type of diarrhea does E. coli cause?

Answer 12

toxin mediated: shiga toxin causes edema disease

Question 13

how can you treat E. coli with diet changes?

Answer 13

ZnO in diet
reduce soluble carbohydrates
increase fiber
add egg or plasma protein to diet

Question 14

what are the signs of Salmonella choleraesuis?

Answer 14

diarrhea
red tipped ears, depression
cough
unaffected are eating well
no vomiting

Question 15

how can you diagnose Salmonella choleraesuis?

Answer 15

grow from liver, spleen, mesenteric lymph node

Question 16

what is the septicemic form of Salmonella cholerasuis like?

Answer 16

coughing
enlarged spleen and liver
pneumonia and cyanosis
enlarged lymph nodes throughout body

Question 17

what form does Salmonella typhimurium primarily cause?

Answer 17

enterocolitic form: small and large intestines, no blood in diarrhea

Question 18

is there a vaccine for Salmonella spp?

Answer 18

yes: modified live, do via water

Question 19

what are the signs with Lawsonia?

Answer 19

dark diarrhea
no increase mortality
slow growth rates

Question 20

how can you diagnose Lawsonia?

Answer 20

PCR feces
IPMA or ELISA on sera
histology with silver stain

Question 21

what is Lawsonia intracellularis?

Answer 21

intracellular bacteria

Question 22

what does Lawsonia intracellularis cause in the intestines?

Answer 22

proliferation of immature enterocytes: thickened areas in cecum, colon, ileum, small intestines

Question 23

what does porcine proliferative enteritis look like?

Answer 23

non-hemorrhagic diarrhea
dramatic weight variation
poor weight gain and feed conversion

Question 24

who does proliferative hemorrhagic enteropathy impact?

Answer 24

young adults 4-12 months

Question 25

what are signs of swine dysentery?

Answer 25

bloody, mucus diarrhea
losing weight
some mortality due to diarrhea

Question 26

what causes swine dysentery?

Answer 26

Brachyspira hyodysenteriae

Question 27

what do whipworms cause?

Answer 27

mucoid diarrhea with blood
weight loss
poor doers die
no response to antibiotics

Question 28

what do the larvae of Trichuris suis do?

Answer 28

burrow into cecum and colon

Question 29

how can you treat for whipworms?

Answer 29

fenbendazole in feed
deworm during finishing stage

Question 30

what are signs of gastric ulcers?

Answer 30

black tarry feces
lose weight
pale
die suddenly

Question 31

how can you control gastric ulcers?

Answer 31

increase grind size to over 800 microns
make sure pigs have feed available 24 hours a day