8273

• UCREFRP Catalog Number: 8273
• Author: U.S. Bureau of Reclamation, U.S. Fish and Wildlife Service, U.S. Geological Survey and U.S. Bureau of Indian Affairs.
• Title: Guidelines for Interpretation of the Biological Effects of Selected Constituents in Biota, Water, and Sediment.
• USFW Year: 1998.
• USFW - Doc Type: \
• Copyright Material: NO

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Boron

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Boron
Species compound Concentration Other conditions Effect Reference
Birds
Domestic Boric acid 875 mg B/kg Adult; 6-day exposure Egg production ceased Birge and Black
chicken (in food) 1977
Mallard duck Boric acid 1,600 mg/kg dw Ducklings; 10-week Reduced growth; increased Hoffman et al.
(Anas platy- (in food) exposure resting time; duckling brain 1990; Stanley
rhynchos) 51 mg/kg; liver 29 mg/kg dw et al. 1996
400 mg/kg dw Delayed and reduced rate
of growth among females;
increased resting time in
ducklings; adult brain 5 mgl
kg dw, liver 3 mg/kg dw
100 mg/kg dw Delayed and reduced rate
of growth among females;
reduced bathing time in
ducklings; adult brain, 4 mgl
kg dW,liver, 3 mg/kg dw
1,000 mg/kg dw Hen dosed beginning 48% reduction in hatching Smith and
3 weeks prior to success; reduced weight Anders 1989
mating; ducklings and survival of ducklings.
dosed for 21 days Resulting B cone. (mg/kg
after hatching dw): adult brain 41, liver
33; egg 49; duckling brain
66, liver 51
300 mg/kg dw Reduced weight gain rate in
ducklings. Resulting B
cone. (mg/kg dw): adult
brain 14, liver 15; egg 13;
duckling brain 19, liver 17
30 mglkg dw Reduced weight and weight
gain in ducklings through 21
days; egg, 3 mg/kg dw;
duckling brain, 4 mg/kg dw
Mallard duck Boric acid 900 mg/kg dw Reduced hen weight gain; Stanley et al.
(Anas platy- (in food) reduced egg size, weight, 1996
rhynchos) and hatching success (by
-50% compared to controls)
450 mg/kg dw Reduced egg hatching
success (-10% compared
to controls)

Table 7.-Summary of literature for boron ecotoxicology-Continued

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