Poison bait is a common method of large-scale ground squirrel control because it requires relatively little labor when compared to other methods and achieves high efficacy results. It involves distributing bait, usually grain based, which is put in bait stations (anticoagulants only), or broadcast mechanically or by hand .
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| Time of Year | Efficacy | Cost of Materials | Labor | Restrictions |
| Poison Bait |
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X = low XX = medium XXX = high
Informational Chart (click on links for BMPs):
| Rodenticide Material | |||||
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| Mechanical Broadcast Baiting* | . |
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| Spot Baiting | . |
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| Bait Stations |
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| Gloves |
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| Long sleeves, pants, and shoes |
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| Eyewear | . |
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| Respirator | . |
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| Uses | |||||
| In and around agricultural buildings |
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| Livestock or domestic animal facilities |
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| Agriculture crops grown for food or feed (applied to bare ground or in bait stations only) |
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| Agriculture crops- dormant season |
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| Orchards, Groves, Vineyards (applied to bare ground or in bait stations only) |
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| Orchards, Groves, Vineyards- dormant season |
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| Rangeland (when no grazing present) |
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| Rangeland -dormant season (when no grazing present) |
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| Non-bearing fruit tree plantings |
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| Non-crop borders and uncultivated agricultural areas |
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| Rights-of-ways (highways, levees, railroads, utilities, and canal and ditch banks) |
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| Forest Trees |
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| Campgrounds |
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| Recreational Areas |
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| Nurseries |
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Other Considerations:
| PROS |
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| Anticoagulants:
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* If possible, use this method. It takes advantage of the natural foraging habits of the California ground squirrel and puts the least amount of toxins into the environment.