4Julian R J.Ascetes in poultry[J].Avian Pathology,1993,22:419-454.
5Julian R J,Caston L J,Mirsalinrni S M,et al.Effect ofpoultry by product meal on pulmonary hypertension,right ventricular failure and ascites in broiler chickens[J].Canadian Veterinary Journal,1992,33:382-385.
