Table 4 Average industrial supplementation levels of vitamin B₂ in the USA, China, Brazil, and Denmark. (sources: Dalto and Da Silva [72]; Yang et al. [73]; Kjeldsen [74]; Faccin et al. [75])

Creep diets (weaning to 8 kg)

6.0

1.5

Creep diets (3 to 20 days of age)

8.3

2.1

Weaning diet (from 6.5 kg)

10.0

2.9

Nursery diet 1 (weaning to 7 kg)

10.6

2.7

Nursery diets I (21 to 35 days of age)

6.5

1.7

Early nursery diets (8 to 15 kg)

5.8

1.7

Nursery diets II (36 to 49 days of age)

6.2

1.8

Nursery diet 2 (7 to 11 kg)

8.2

2.3

Weaners (9–20 kg)

4.5, 9.6¹

1.5, 3.2¹

Late nursery diets (15 to 25 kg)

5.0

1.7

Nursery diets III (50 to 70 days of age)

5.3

1.8

Nursery diet 3 (11 to 23 kg)

6.6

2.2

Growing diets (71 to 120 days of age)

3.9

1.3

Growing diets (25 to 60 kg)

3.4

1.4

Finishing diets (121 days of age to slaughter)

3.3

1.7

Early-finishing diets (23 to 55 kg)

4.9

2.0

Early-finishing diets (60 to 90 kg)

3.2

1.6

Mid-finishing diets

4.2

2.1

Finishers (30–100 kg)

2.2, 2.1²

1.1, 1.1²

Late finishing diets (90 kg to market)

3.2

1.6

Late finishing diets (100 kg to market)

3.6

1.8

Gilt-development diets

7.7

2.1

6.5

1.8

4.6

1.3

Breading stock

5.3

1.4

Gestation diets

8.6

2.3

5.5

1.5

5.3

1.4

4.7

1.3

Transition diets

3.9

1.0

Lactation diets

8.6

2.3

5.5

1.5

4.7

1.3

Boar diets

8.9

2.4

6.1

1.5

4.7

1.3