为保障扬州老鹅的质量与安全,应用危害分析及关键点控制(Hazard Analysis Critical Control Point,HACCP)体系原理对扬州老鹅工业化生产全过程进行危害分析,确定关键控制点及关键限值,并提出控制措施。经分析,确定扬州老鹅加工工艺的关...为保障扬州老鹅的质量与安全,应用危害分析及关键点控制(Hazard Analysis Critical Control Point,HACCP)体系原理对扬州老鹅工业化生产全过程进行危害分析,确定关键控制点及关键限值,并提出控制措施。经分析,确定扬州老鹅加工工艺的关键控制点为原辅料验收、卤水制作、煮制、真空包装、两次巴氏杀菌及人工灯检。通过构建扬州老鹅生产的HACCP体系,为企业保障扬州老鹅生产安全与产品质量提供参考依据。展开更多
Objective:To observe the effect of common salt(NaCl) on immature stages of laboratory reared Aedes aegypti(L).Methods:A laboratory colony of Aedes aegypti mosquitoes of Rajahmundry strain was established in the labora...Objective:To observe the effect of common salt(NaCl) on immature stages of laboratory reared Aedes aegypti(L).Methods:A laboratory colony of Aedes aegypti mosquitoes of Rajahmundry strain was established in the laboratory of National Institute for Communicable Disease(NICD), Rajahmundry unit at(26±2)℃with relative humidity of(70±10)%.1.00%,1.25%and 1.50% solutions of common salt(NaCl) were selected to observe the susceptibility status of immature stages of Aedes aegypti in laboratory.Results:Fifty percent larvae of Aedes aegypti died within 19,31 and 48 hours when exposed to 1.50%,1.25%and 1.00%common salt solution, respectively.Ninety percent of the larvae died within 29,57 and 108 hours when exposed to the same salt solutions,respectively.Very high pupal mortality was observed varying from 81.8% to 40.0%.Formation of pupae was found inversely proportional in the presence of concentration of common salt in breeding water.Conclusions:With easy availability,less toxicity and long lasting nature,common salt may be applied in unused containers,especially in junkyards where surveillance mechanism is poor along with other conventional vector control methods in order to control breeding of Aedes aegypti,the vector of dengue/ dengue hemorrhagic fever and chikungunya.展开更多
文摘为保障扬州老鹅的质量与安全,应用危害分析及关键点控制(Hazard Analysis Critical Control Point,HACCP)体系原理对扬州老鹅工业化生产全过程进行危害分析,确定关键控制点及关键限值,并提出控制措施。经分析,确定扬州老鹅加工工艺的关键控制点为原辅料验收、卤水制作、煮制、真空包装、两次巴氏杀菌及人工灯检。通过构建扬州老鹅生产的HACCP体系,为企业保障扬州老鹅生产安全与产品质量提供参考依据。
文摘Objective:To observe the effect of common salt(NaCl) on immature stages of laboratory reared Aedes aegypti(L).Methods:A laboratory colony of Aedes aegypti mosquitoes of Rajahmundry strain was established in the laboratory of National Institute for Communicable Disease(NICD), Rajahmundry unit at(26±2)℃with relative humidity of(70±10)%.1.00%,1.25%and 1.50% solutions of common salt(NaCl) were selected to observe the susceptibility status of immature stages of Aedes aegypti in laboratory.Results:Fifty percent larvae of Aedes aegypti died within 19,31 and 48 hours when exposed to 1.50%,1.25%and 1.00%common salt solution, respectively.Ninety percent of the larvae died within 29,57 and 108 hours when exposed to the same salt solutions,respectively.Very high pupal mortality was observed varying from 81.8% to 40.0%.Formation of pupae was found inversely proportional in the presence of concentration of common salt in breeding water.Conclusions:With easy availability,less toxicity and long lasting nature,common salt may be applied in unused containers,especially in junkyards where surveillance mechanism is poor along with other conventional vector control methods in order to control breeding of Aedes aegypti,the vector of dengue/ dengue hemorrhagic fever and chikungunya.
