... Double antibody sandwich method, high sensitivity of 0.2ug/ml.High specificity, two specific monoclonal antibodies to selectively identify ... life. Performance: The lowest detect limit Negative standardPrecisionFOB0.2ug/ml≥500 ug/ml Hb samples from goat, chicken, cattle, pig, rabbit ... , and dog yield negative reaction.2000 ug/ml horseradish enzyme peroxide,water and normal stool diluent yield ...