【摘要】 对健康养殖南美白对虾胃、肝胰腺、肠道、肌肉中的需氧菌群进行研究。结果表明:胃、肝胰腺、肠道、肌肉中的异氧细菌总菌数分别为5.3×105~6.5×107cfu/g、6.6×105~5.2×106cfu/g、1.4×108~4.5×109cfu/g和1.0×104~1.1×105cfu/g。对从其肠道中分离出来的111株菌株进行属(科)的鉴定。这些菌株分属于13个属(科),发光杆菌属、弧菌属、气单胞菌属、肠杆菌科、黄单胞菌属、土壤杆菌属、芽孢杆菌属、棒状杆菌属、小球菌属、黄杆菌属、产碱杆菌属、假单胞菌属和色杆菌属,还有一株未鉴定的革兰阳性菌。其中优势菌为发光杆菌属、弧菌属,气单胞菌属、肠杆菌科、黄单胞菌属,次优势菌为土壤杆菌属、芽孢杆菌属、棒状杆菌属、小球菌属。更多还原

【Abstract】 The aerobic bacterial flora in the stomach,hepatopancreas,gut and muscle of farmed whife leg Shrimp,Penaeus vannamei Booen was investigated.The total number of bacteria in the stomach,hepatopancreas,gut,and muscle of the shrimp were 5.3×10~5～6.5×10~7 cfu/g,6.6×10~5～5.2×10~6 cfu/g,(1.4)×10~8～4.5×10~9 cfu/g and 1.0×10~4～1.1×10~5 cfu/g,respectively.111 bacterial strains were islolated from the gut of shrimp,they were classified into 13 taxonomic groups: Photobacterium,Vibrios,Aeromonas,Enterobacteriaceae,Xanthomonas,Agrobacterium, Bacillus,Corynebacterium,Micrococcus,Flavobacterium,Alcaligenes,Psendomonas and Chromobacterium.The dominant bacteria were Photobacterium,Vibrios,Aeromonas,Enterobacteriaceae,Xanthomonas,Agrobacterium,Bacillus.更多还原