AdvertisementIsraeli Tariff Burdens Supplier Of Gefilte FishMarch 08, 2010facebookEmailWorkers at the Manischewitz food processing plant in Newark, N.J., package gefilte fish by hand. Israel recently reinstated a large import tax on Asian carp, which is used to make the Jewish delicacy. One of the largest producers of Asian carp, Schafer Fisheries of Thomson, Ill., has had to lay off nine employees because of lost business. (AP)