        CALL fson_get(item, "grazing.carbon_threshold", ZOOPL(NZO).CTZ)
        CALL fson_get(item, "grazing.halved_grazing_prey_density", ZOOPL(NZO).KHCZ)
        CALL fson_get(item, "grazing.maximum_ration", ZOOPL(NZO).RMAXZ)
        CALL fson_get(item, "grazing.utilization_of_LPOC", ZOOPL(NZO).ULZ)
        CALL fson_get(item, "grazing.utilization_of_RPOC", ZOOPL(NZO).URZ)
        CALL fson_get(item, "grazing.utilization_of_DOC", ZOOPL(NZO).UDZ)
        CALL fson_get(item, "grazing.utilization_of_algae", ZOOPL(NZO).UBZ)
        CALL fson_get(item, "grazing.optimal_grazing.lower_temperature", ZOOPL(NZO).TMZG1)
        CALL fson_get(item, "grazing.optimal_grazing.upper_temperature", ZOOPL(NZO).TMZG2)
        CALL fson_get(item, "grazing.optimal_grazing.lower_coefficient", ZOOPL(NZO).KTGZ1)
        CALL fson_get(item, "grazing.optimal_grazing.upper_coefficient", ZOOPL(NZO).KTGZ2)
        CALL fson_get(item, "grazing.utilization_of_ZOOPL", ZOOPL(NZO).UZPL)