Swine Respiratory Diseases

Question 1

when do pigs start to cough after weaning with PRRS?

Answer 1

7-14 days
5-10%

Question 2

in what weather does porcine respiratory and reproductive virus survive well?

Answer 2

cold weather

Question 3

how can you treat PRRS?

Answer 3

isolate secondary bacteria and provide appropriate antibiotic therapy
anti-inflammatories
good husbandry

Question 4

what does atrophic rhinitis look like?

Answer 4

piglets sneezing while suckling
worse after weaning
coughing
growth rate is severely slowed
deformed snout

Question 5

what causes atrophic rhinitis?

Answer 5

toxigenic Pasteurella multocida type D

Question 6

what does the toxin of Pasteurella multocida type D do?

Answer 6

activates osteoclasts and increases bone reabsorption throughout body

Question 7

who does swine influenza affect?

Answer 7

all ages: suckling to adult

Question 8

how does influenza affect the lungs?

Answer 8

lobular or patchy consolidation
not diffuse

Question 9

when do most pigs start to cough with Mycoplasma hyopneumoniae?

Answer 9

12-16 weeks

Question 10

what pneumonia does Mycoplasma hyopneumoniae cause?

Answer 10

cranioventral pneumonia

Question 11

who does Actinobacillus pleuropneumoniae impact?

Answer 11

10-12 weeks of age or older
stressful event or overcrowding

Question 12

does Ascaris suum respond to antibiotics?

Answer 12

no

Question 13

what are some common secondary bacterial infection in porcine reproductive and respiratory syndrome?

Answer 13

E. coli
Strep suis
Glaeserella parasuis

Question 14

what type of pneumonia does porcine reproductive and respiratory syndrome cause?

Answer 14

diffuse interstitial pneumonia

Question 15

what does porcine reproductive and respiratory syndrome infect?

Answer 15

lymphoid tissue- macrophages

Question 16

what does the loss of turbinates in atrophic rhinitis predispose pigs to?

Answer 16

pneumonia

Question 17

how can you treat atrophic rhinitis?

Answer 17

inject suckling pigs with long-acting tetracycline
tylosin, sulfamethazine in feed

Question 18

what does swine influenza present as?

Answer 18

coughing
sneezing and clear nasal discharge
high fevers
decreased feed intake
low mortality

Question 19

how can you treat swine influenza?

Answer 19

NSAIDs
treat secondary infections with antibiotics

Question 20

how can you prevent swine influenza?

Answer 20

vaccination
difficult because of maternal antibody interference
reverse zoonosis

Question 21

what does Mycoplasma hyopneumoniae look like?

Answer 21

cough dry and non-productive
cough for about a month
alert, no high fevers

Question 22

what do pigs with Mycoplasma hyopneumoniae show some improvement with?

Answer 22

tulathromycin

Question 23

does Mycoplasma hyopneumoniae invade lung tissue?

Answer 23

no

Question 24

what bacteria is enabled by Mycoplasma hyopneumoniae?

Answer 24

Pasteurella multocida can colonize and proliferate

Question 25

how can you treat Mycoplasma hyopneumoniae?

Answer 25

lincomycin, tiamulin, tetracyclines tulathromycin, enrofloxacin

Question 26

what does Actinobacillus pleuropneumoniae present as?

Answer 26

per acute mortalities red tinged foam from nose dyspnea cyanosis lethargic, abnormal temperatures anorexia

Question 27

what can you use to treat Actinobacillus pleuropneumoniae?

Answer 27

ceftiofur, enrofloxacin, tulathromycin tilmicosin in feed tiamulin in water

Question 28

what is the presentation like of Ascaris suum?

Answer 28

coughing after put on new/dirty floor not responsive to antibiotics