Effectiveness of several oils to reduce hatchability of chicken eggs

Article Abstract:

Egg addling is an effective strategy for controlling bird populations such as Canada geese, which cause crop damage and health problems. An incubator study evaluates five oils to investigate their effectiveness in reducing hatching success compared with white mineral oil and to evaluate the effects of timing when applying the treatments. The study of castor oil, soybean oil, safflower oil, linseed oil and corn oil shows that all are as effective as white mineral oil in preventing hatching and that timing is not a factor in hatchability.

Methods, Wildlife management, Control, Eggs, Eggs (Biology), Incubation, Bird pests, Bird control

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Laboratory evaluation of a methyl anthranilate bead formulation on mallard feeding behaviour

Article Abstract:

Eagle River Flats on Fort Richardson, AL, has long been used by the U.S. army as an impact area for gunnery exercises and is also an important staging area for waterfowl. Previous research has shown that white phosphorus-containing sediments from the area were the cause of waterfowl mortality. A new study investigates the efficacy of methyl anthranilate beads as a repellent to prevent the birds from entering contaminated water. The study concludes that the bead formulation caused almost complete avoidance of treated pools.

Behavior, Environmental aspects, Observations, Natural history, Waterfowl management, Alaska, Water pollution, Mallard, Phosphorus, Phosphorus (Chemical element), Aquatic animals, Aquatic animals, Effect of water pollution on

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Evaluation of ReJex-iT AG-36 as a Canada goose grazing repellent

Article Abstract:

The effectiveness of ReJex-iT AG-36 as a repellent against grazing Canada geese was evaluated on 14-by-14-meter grass plots within a 40-by-120-meter enclosure. The results showed that ReJex-iT AG-36 was effective in reducing goose activity by as much as four days after application. However, further improvements in encapsulating and entrapping of ReJex-iT AG-36's active ingredient, methyl antranilate, could increase the repellent's effectiveness.

Evaluation, Canada goose, Repellents

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