| 摘要 |
Disclosed is a bird repellant composition comprising one of the following combinations: (i) anthraquinone and a visual cue, (ii) anthraquinone and d-pulegone, (iii) anthraquinone, a visual cue and d-pulegone, wherein the visual cue is a blue or green dye with a lowered relative reflective wavelength in the range 500 to 700 nm, wherein the combination produces a synergistic effect of repellence to birds. The repellant composition may also be used in a bait composition. Also disclosed is a method of repelling birds from an environment or object comprising applying the above repellant to the environment or object.
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