An Oahu slaughterhouse says a move by two Hawaii supermarket chains to stop selling pork from pigs shipped live from the U.S. mainland will hurt business.

It's the only slaughterhouse on Oahu certified by the U.S. Department of Agriculture and been struggling financially after the demise of dairies, high feed costs and other economic challenges.

Facility Manager Leonard Oshiro tells the Honolulu Star-Advertiser (http://bit.ly/pyHldA) the decision announced this week by Foodland Super Market and Times Supermarkets will mean a 15 percent loss in business and layoffs of four to 14 employees.

The chains say the policy change comes from animal cruelty concerns raised when the pigs travel on the ocean to Hawaii. The World Society for the Protection of Animals pushed for the change.

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Information from: Honolulu Star-Advertiser, http://www.staradvertiser.com

Copyright 2011 The Associated Press.