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Table 1 Overview of farm management and M. hyopneumoniae detection in piglets

From: The first assessment to detect Mycoplasma hyopneumoniae by sampling laryngeal swabs to investigate sow stability in South Korea

Farm no.

MSYa

Herd sizeb

Gilt replication rate

M. hyo status of giltc

Gilt source

Acclimation

Antibiotics (piglet treatment)

Antibiotics (Sow treatment)

PRRSV detectiond

M. hyo prevalencee

          

Pos/total

1

21

≤ 550

≤ 40%

pos

Self-replacement

Ingelvac MycoFLEX®

  

pos

7/90

2

20

≤ 550

≤ 40%

pos

Self-replacement

Ingelvac MycoFLEX®

Ceftiofur

 

pos

0/90

3

24

≤ 550

>  40%

pos

Self-replacement

Respisure-ONE®

penicillin + Streptomycin

 

neg

0/90

4

20

>  550

≤ 40%

pos

Self-replacement

Respisure-ONE®

Ceftiofur

 

pos

9/90

5

24

>  550

≤ 40%

neg

External (GP)

Ingelvac MycoFLEX®

Gentamicin

 

pos

0/90

6

22

>  550

≤ 40%

pos

External (GP)

Ingelvac MycoFLEX®

  

pos

2/90

7

26.5

>  550

>  40%

pos

External (GP)

Respisure-ONE®

Tulathromycin

 

neg

3/88

8

23

>  550

>  40%

neg

External (GP)

Exposure

Ceftiofur

Amoxicillin

pos

6/90

9

25

≤ 550

>  40%

neg

External (GP)

None

  

neg

0/90

10

22

≤ 550

≤ 40%

neg

External (GP)

Ingelvac MycoFLEX®

Tulathromycin

Tiamulin

pos

5/90

11

20

≤ 550

≤ 40%

pos

Self-replacement

Ingelvac MycoFLEX®

 

Tilmicosin

pos

0/90

12

21

>  550

>  40%

neg

External (GP)

Ingelvac MycoFLEX®

 

Tilmicosin

pos

0/90

13

23.5

>  550

>  40%

pos

External (GP)

Respisure-ONE®

Lincomycin+ Spectinomycin

Amoxicillin

neg

26/90

14

24.2

≤ 550

>  40%

pos

Self-replacement

Exposure

Lincomycin+ Spectinomycin

 

neg

24/90

15

18

≤ 550

≤ 40%

pos

External (GP)

Ingelvac MycoFLEX®

Lincomycin+ Spectinomycin

 

pos

0/66

16

16.5

>  550

≤ 40%

pos

External (GP)

Ingelvac MycoFLEX®

Tulathromycin

Lincomycin+ Spectinomycin

pos

2/88

17

17

>  550

≤ 40%

pos

Self-replacement

None

 

Amoxicillin

pos

3/90

18

20

>  550

≤ 40%

neg

External (GP)

Ingelvac MycoFLEX®

 

Amoxicillin

pos

13/90

19

22.5

>  550

>  40%

neg

External (GP)

Exposure

Amoxicillin

Lincomycin + Tiamulin

pos

15/90

20

20.3

≤ 550

≤ 40%

pos

External (GP)

None

 

Penicillin

pos

0/90

21

24.3

≤ 550

>  40%

neg

External (GP)

None

Enrofloxacin or Sulfamethoxazole+ Trimethoprim

Amoxicillin

pos

11/90

22

25

≤ 550

≤ 40%

neg

External (GP)

None

Ampicillin

 

neg

1/90

  1. aNumber of pigs, which survive until they reach to the weight for sale and are sold, among pigs produced by a sow for a year
  2. bNumbers of sows on individual farms
  3. cAnti–M. hyopneumoniae antibody detection results from a previous test
  4. dPRRSV antigen test (PCR) of weanling piglet serum
  5. eNumber of positive piglets/total number of piglets tested by nested PCR for M. hyopneumoniae on the three sampling dates
  6. pos positive, neg negative