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Table 4 Suckling pig and sow disease status of herds as reported by producers for 25 sow herds in the province of Ontario, Canada (May 2017–April 2018)

From: Antimicrobial use in lactating sows, piglets, nursery, and grower-finisher pigs on swine farms in Ontario, Canada during 2017 and 2018

Disease/agent

Sows

Suckling pigs

Positivea

n (%)

Negativea

n (%)

Don’t know

n (%)

Positivea

n (%)

Negativea

n (%)

Don’t know

n (%)

APP

1

(4)

21

(84)

3

(12)

1

(4)

23

(92)

1

(4)

Escherichia coli

23

(92)

2

(8)

0

(0)

23

(92)

2

(8)

0

(0)

Erysipelas

23

(92)

2

(8)

0

(0)

15

(60)

9

(36)

1

(4)

Haemophilus parasuisb

17

(68)

6

(24)

2

(8)

15

(60)

6

(24)

4

(16)

Ileitis

17

(68)

5

(20)

3

(12)

11

(44)

8

(32)

6

(24)

Influenza

15

(60)

7

(28)

3

(12)

13

(52)

8

(32)

4

(16)

Mycoplasma

14

(56)

10

(40)

1

(4)

11

(44)

14

(56)

0

(0)

PCVAD

19

(76)

5

(20)

1

(4)

19

(76)

6

(24)

0

(0)

PED

0

(0)

24

(96)

1

(4)

1

(4)

23

(92)

1

(4)

PRRS

9

(36)

16

(64)

0

(0)

5

(20)

19

(76)

1

(4)

Salmonella spp.

4

(16)

10

(40)

11

(44)

5

(20)

14

(56)

6

(24)

Streptococcus suis

20

(80)

3

(12)

2

(8)

20

(80)

2

(8)

3

(12)

  1. APP actinobacillus pleuropneumoniae, PCVAD porcine circovirus associated disease, PED porcine epidemic diarrhea, PRRS porcine respiratory and reproductive syndrome
  2. aHerds were classified positive if the questionnaire response was “confirmed positive” or “likely positive”; Herds were classified negative if the questionnaire response was “confirmed negative” or “likely negative”
  3. bHaemophilus parasuis is also known as Glaesserella parasuis