Table 6 Breakdown by swine antimicrobial combination

Starting Phase

Antimicrobial(AM) combination

Total number of swine

Percent of swine treated

feed (lbs/day)

Avg days used

AM dose (g/lb)

Total in kg

1. chlortetracycline sulfathiazole penicillin

711,743,169

20%

2

35

0.100

996,440

2. chlortetracycline sulfamethazine penicillin

711,743,169

20%

2

35

0.100

996,440

3. tylosin

711,743,169

40%

2

35

0.025

498,220

4. virginiamycin

711,743,169

4%

2

35

0.004

7,972

5. chlortetracycline

711,743,169

50%

2

35

0.040

996,440

6. oxytetracycline

711,743,169

40%

2

35

0.025

498,220

7. apramycin

711,743,169

10%

2

14

0.065

129,537

Total

4,123,271

Feeding Phase

Antimicrobial combination

Total number of swine

Percent of swine treated

feed (lbs/day)

Avg days used

AM dose (g/lb)

Total in kg

1. chlortetracycline sulfathiazole penicillin

684,368,429

10%

4

38

0.1000

1,040,240

2. chlortetracycline sulfamethazine penicillin

684,368,429

7%

4

15

0.1000

287,435

3. tylosin sulfamethazine

684,368,429

5%

4

38

0.0900

468,108

4. carbadox

684,368,429

12%

4

38

0.0225

280,865

5. chlortetracycline

684,368,429

45%

4

38

0.0350

1,638,378

6. tylosin

684,368,429

30%

4

38

0.0175

546,126

7. bacitracin

684,368,429

55%

4

38

0.0150

858,198

8. virginiamycin

684,368,429

4%

4

38

0.0040

16,644

9. arsanilic acid

684,368,429

2%

4

38

0.0300

62,414

10. bambermycin

684,368,429

2%

4

38

0.0010

2,080

11. oxytetracycline

684,368,429

25%

4

38

0.0200

520,120

12. oleandomycin

684,368,429

2%

4

38

0.0040

8,322

13. lincomycin

684,368,429

4%

4

38

0.0080

33,288

14. efrotomycin

684,368,429

2%

4

38

0.0055

11,443

Total

5,773,661

Finishing Phase

Antibiotic combination

Total Number of swine

Percent of swine treated

feed (lbs/day)

Avg days used

AM dose (g/lb)

Total in kg

1. chlortetracycline sulfathiazole penicillin

670,949,440

12%

6.2

86

0.1250

5,366,254

2. tylosin sulfamethazine

670,949,440

5%

6.2

72

0.1000

1,497,559

3. carbadox

670,949,440

15%

6.2

45

0.0250

701,981

4. chlortetracycline

670,949,440

55%

6.2

86

0.0350

6,886,692

5. tylosin

670,949,440

30%

6.2

86

0.0100

1,073,251

6. bacitracin

670,949,440

60%

6.2

86

0.0250

5,366,254

7. arsanilic acid

670,949,440

3%

6.2

86

0.0450

482,963

8. bambermycin

670,949,440

6%

6.2

86

0.0010

21,465

9. oxytetracycline

670,949,440

30%

6.2

86

0.0200

2,146,501

10. oleandomycin

670,949,440

5%

6.2

86

0.0056

100,617

11. efrotomycin

670,949,440

5%

6.2

86

0.0073

129,684

12. lincomycin

670,949,440

4%

6.2

86

0.0100

143,100

Total

23,916,321

Breeding Phase

Antimicrobial combination

Total number of swine

Percent of swine treated

feed (lbs/day)

Avg days used

AM dose (g/lb)

Total in kg

1. chlortetracycline

50,393,463

85%

5

20

0.04

171,338

2. arsanilic acid

50,393,463

5%

5

20

0.045

11,339

3. bambermycin

50,393,463

25%

5

20

0.001

1,260

4. oxytetracycline

50,393,463

25%

5

14

0.005

4,409

Total

188,346