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Nutrient Requirements of Poultry: Ninth Revised Edition, 1994
TABLE 8-1 Toxic Dietary Concentrations of Inorganic Elements and Compounds for Poultry
Element or Compound
Species
Age
Chemical Form
Toxic Concentration (ppm)a
Toxic Effects
References
Aluminum
Chicken
Immature
AlCl2
500
Reduced growth
Storer and Nelson, 1968
Aluminum
Chicken
Immature
Al2 (SO4 )3
1,000
Reduced growth
Storer and Nelson, 1968
Aluminum
Chicken
Immature
Al2 (SO4 )3
2,200
Rickets
Deobold and Elvehjem, 1935
Aluminum
Chicken
Mature
Al2 (SO4 )3
3,000
Reduced egg production
Hussein et al., 1989
Arsenic
Chicken
Laying hen
As2 O5
100
Reduced body weight; reduced egg production
Hermayer et al., 1977
Barium
Chicken
Immature
BaCO3 , BaCl2
200
Reduced growth
Taucins et al., 1969
Barium
Chicken
Immature
BaCl2
2,000
Death
Taucins et al., 1969
Bromine
Chicken
Immature
NaBr
5,000
Reduced growth
Doberenz et al., 1965
Cadmium
Chicken
Immature
CdSO4 ·H2 O
25
Reduced growth
Hill et al., 1963
Cadmium
Chicken
Immature
CdSO4
40
Reduced growth
Hill, 1974
Cadmium
Turkey
Immature
CdCl2
20
Reduced growth
Supplee, 1961
Cadmium
Chicken
Adult
CdSO4
12
Decreased egg production
Leach et al., 1979
Chlorine
Chicken
Immature
Arginine·HCL, NaCl and KCl
15,000
Reduced growth
Nesheim et al., 1964
Chromium
Chicken
Immature
K2 CrO4
300
Reduced growth
Kunishisa et al., 1966
Chromium
Chicken
Immature
Cr2 (SO4 )3
300
Reduced growth
Kunishisa et al., 1966
Chromium
Chicken
Adult
CrCl3 ·6H2 O
10
Egg quality
Jensen and Maurice, 1980
Cobalt
Chicken
Immature
CoCl2 ·6H2 O
200
Reduced growth
Hill, 1974
Cobalt
Chicken
Immature
CoCl2
100
Reduced growth
Hill, 1979
Copper
Chicken
Immature
CuO
806
Reduced growth; mortality
Mehring et al., 1960
Copper
Chicken
Immature
CuSO4 ·5H2 O
800
Exudative diathesis; muscular dystrophy
Jensen, 1975b
Copper
Chicken
Immature
CuSO4 ·5H2 O
500
Reduced growth; gizzard erosion
Poupoulis and Jensen, 1976
Copper
Chicken
Immature
CuSO4 ·5H2 O
250
Reduced growth; gizzard erosion
Robbins and Baker, 1980a,b
Copper
Turkey
Immature
CuSO4 ·5H2 O
676 (practical diet)
Reduced growth
Vohra and Kratzer, 1968
Copper
Turkey
Immature
CuSO4 ·5H2 O
800 (purified diet)
Reduced growth
Supplee, 1964
Copper
Turkey
Immature
CuCO3
50 (purified diet)
800 (practical diet not toxic)
Reduced growth
Waibel et al., 1964
Fluorine
Chicken
Immature
NaF
1,000
Reduced growth
Doberenz et al., 1965
Fluorine
Chicken
Immature
NaF
500 (similar level of F as CaF not toxic)
Reduced growth
Gardiner et al., 1959
Fluorine
Chicken
Immature
NaF
500
Reduced growth
Weber et al., 1969
Fluorine
Chicken
Immature
NaF
750
Reduced growth
Berg and Martinson, 1972
Fluorine
Chicken
Adult
NaF
1,300
Reproductive characteristics
Guenter and Hahn, 1986
Iodine
Chicken
Laying hen
KI
625
Reduced egg production, egg size, and hatchability
Arrington et al., 1967
Iron
Chicken
Immature
Fe2 (SO4 )3
4,500
Rickets
Deobold and Elvehjem, 1935
Lead
Chicken
Immature
Pb acetate
1,000
Reduced growth
Damron et al., 1969
Lead
Chicken
Immature
Pb acetate
320
Lethargy, 50% mortality
Vengris and Mare, 1974
Lead
Chicken
Mature
Pb acetate
200
Reduced egg production
Edens and Garlich, 1983
Lead
Japanese quail
Mature
Pb acetate
10
Reduced egg production
Edens and Garlich, 1983
Magnesium
Chicken
Immature
MgO
5,700
Growth, skeletal development
Atteh and Leeson, 1983
Magnesium
Chicken
Immature
MgCO3
6,000
Reduced growth
Chicco et al., 1967
Magnesium
Chicken
Immature
MgCO3
6,400
Reduced growth; mortality
Nugara and Edwards, 1963
Magnesium
Chicken
Adult
MgSO4
19,600
Reduced egg production
McWard, 1967
Magnesium
Chicken
Adult
MgCO3
11,200
Reduced egg production
Stillmak and Sunde, 1971
Manganese
Chicken
Immature
MnCl2 ·4H2 O
4,000
Reduced growth
Southern and Baker, 1983a
Manganese
Turkey
Immature
MnSO4 ·H2 O
4,800
Reduced growth
Vohra and Kratzer, 1968
Mercury
Chicken
Immature
HgSO4 , HgCl2
400
Reduced growth
Hill et al., 1964
Mercury
Chicken
Immature
HgCl2
250b
Reduced growth; mortality
Parkhurst and Thaxton, 1973
Mercury
Chicken
Immature
CH3 Hg dicyanamide
33
Reduced growth; mortality
Gardiner, 1972
Mercury
Chicken
Immature
CH3 HgCl
5
50% mortality
Soares et al., 1973
Molybdenum
Chicken
Immature
Na2 MoO4
500
Reduced growth; mortality
Davies et al., 1960
Molybdenum
Chicken
Immature
Na2 MoO4 ·2H2 O
350
Reduced growth
Berg and Martinson, 1972
Molybdenum
Chicken
Laying hen
Na2 MoO4 ·2H2 O
500
Reduced egg production and hatchability
Lepore and Miller, 1965
Molybdenum
Turkey
Immature
NaMoO4
300
Reduced growth
Kratzer, 1952
Nickel
Chicken
Immature
NiSO4 or Ni acetate
500
Reduced growth
Weber and Reid, 1968