Spring/Summer 1998 Poultry Press
Sample of Self-Reported Results from UPC Survey of U.S. Egg Industry on Forced Molting

During the Molt, How Long Do You:
Company Location Avg.Flock Size Avg. Length of Molt Withdraw Feed Reduce Feed Restrict Water Avg. % Mortality
Hatfield Creek Egg Ranch CA 25,000 6 weeks 7-10 days No No 2%
Niemeyer Farms CA 100,000 6 weeks 6 days 2 weeks No 2.5%
Golden Fresh Egg Ranch CA 60,000 6 weeks 6-8 days 1 week No 0.05%
Olson Farms CA 70,000 8 weeks Until bird loses 25% of weight No No N/R
Olson Farms CA 100,000 7-8 weeks 7-12 days N/R No 1.5%
Maxim Production TX 50,000 7 weeks 12-14 days 2 weeks No 2%
Demler Enterprises CA 1,000,000 9 weeks 5 days 3 days No 0.15%
Emitt Su CA 45,000 8 weeks 10 days No No 0.7%
Kalona Country Foods IA 100,000 4-5 weeks 7 days N/R No 0.5%
Effing Eggery MT 70,000 7-8 weeks 2-4 days N/R No 1-1.5%
Cal-Maine NC 52,000 6 weeks 10-12 days No No 1.5%
S&K Farm FL51,000 6 weeks 5 days Feed once a day, every other day No N/R
Parmely Poultry FarmKS 130,000 4-6 weeks 5-7 days No No 10%
Durisko Eggs PA25,000 N/R 7-9 days N/R No 0.5%
Oakland Farms VA 25,000 6-8 weeks 8-10 days N/R N/R N/R

N/R = No Response

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