Table 1 Permitted/guidance levels of regulatory bodies for selected mycotoxins

Aflatoxin B₁ (AFB₁)

Maize

AFB₁: 0.02

Aflatoxins (AF):

1. Immature animals: 0.02

2. Dairy animals: 0.02

3. Breeding swine and mature poultry: 0.1

4. Finishing swine 100 pounds or greater in weight: 0.2

AF: 0.02

Maize silage

Finished feed

AFB₁:

1. Dairy cattle and calves, dairy goats, piglets, and young poultry animals: 0.005

2. Cattle (except dairy cattle and calves), pigs (except piglets) and poultry (except young animals): 0.020

n/a

n/a

Deoxynivalenol

Maize

8

1. Swine (Grain and grain by-products not to exceed 20% of diet): 5

2. Chickens (Grain and grain by-products not to exceed 50% of diet): 10

3. Ruminating dairy cattle (> 4 months; 88% dry matter basis): 10

4. Other reviewed species (grain and grain by-products not to exceed 40% of diet): 5

n/a

Maize Silage

Finished feed

1. Pigs: 0.9

2. Calves (< 4 months): 2

3. Other reviewed species: 5

Ruminating dairy cattle (> 4 months): 5

1. Cattle and poultry: 5

2. Swine, young calves and lactating dairy animals: 1

Fumonisins (FUM)

Maize

60

1. Swine (no more than 50% of diet dry weight basis): 20

2. Breeding poultry and breeding ruminants (including lactating dairy cattle) (no more than 50% of diet dry weight basis): 30

3. Poultry being raised for slaughter (no more than 50% of diet dry weight basis): 100

n/a

Maize Silage

Finished feed

1. Pigs: 5

2. Poultry, calves (< 4 months): 20

3. Adult ruminants (> 4 months): 50

n/a

n/a

Zearalenone

Maize

2

n/a

n/a

Maize Silage

Finished feed

1. Piglets and gilts (young sows): 0.1

2. Sows and fattening pigs: 0.25

3. calves, dairy cattle and goats: 0.5

n/a

1. Gilt diets < 1–3

2. Cow diets 10 (1.5 if other toxins present)

3. Pigs: < 0.25-0.5

Ochratoxin A

Maize

0.25

n/a

n/a

Maize Silage

Finished feed

1. Pigs: 0.05

2. Poultry: 0.1

n/a

1. Swine diets (kidney damage): 0.2

2. Swine diets (reduced weight gain) 2

3. Poultry: 2