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The original item was published from 3/11/2016 9:51:45 AM to 3/11/2016 10:07:25 AM.

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Posted on: March 11, 2016

[ARCHIVED] Goose Egg Oiling (Lake Residents)

The Lake Welfare Committee (LWC) of the City of Delafield hires the USDA to perform an “egg oiling” service each spring on Lake Nagawicka. Egg oiling is the most humane way to effectively manage the number of Canadian Geese and Mute Swans on Lake Nagawicka. Once oiled, the eggs will not hatch and the geese and swans continue to sit on them rather than lay new ones. If after the egg oiling we still count more than 100 geese on Lake Nagawicka in the early summer, we again hire the USDA to perform a “goose round up”. The Geese are corralled by professionals from USDA, loaded in individual cages on their truck and then euthanized off site at their process plant. The LWC then personally picks up the cleaned birds and donates them to the food pantry in Oconomowoc. We do not round up the Mute swans. We currently have six mating pairs of Mute Swans and the Lake Welfare Committee feels that is a good balance of natural beauty of the birds and the problems they can cause given their potentially aggressive nature. Mute Swans are not native to Wisconsin and run off or kill the native swans.

The USDA needs private property owner’s permission to access your property to oil eggs if nests exist and or spend 10-15 minutes corralling the geese on your lake property if that’s where they happen to be the day of the round up.

If you’d like to give permission to the USDA to access your private property to perform this service, please sign the consent form enclosed. If you have questions and/or concerns about this process, please call or email Kent Attwell, City of Delafield Lake Welfare Committee Chairman at 262-367-1982 or We have been doing this for the past several years with permission from about 60-80 lake front home owners and it’s allowed us to manage the geese and swans on the lake to nearly everyone’s satisfaction. We have a lot of data and resources on this process we’d be happy to share with you if you’re interested. Thank you for your cooperation.

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