In recent years,the quality of people's lives has gradually improved,and people pay more attention to the rationality of food nutrition.Green and healthy aquatic products,as representative of high-protein and low-...In recent years,the quality of people's lives has gradually improved,and people pay more attention to the rationality of food nutrition.Green and healthy aquatic products,as representative of high-protein and low-fat foods,are increasingly sought after by people.Triploid rainbow trout(Oncorhynchus mykiss)is rich in multiple unsaturated fatty acids and trace elements,which have rich nutrition and delicate flesh,its market demand is increasing.Triploid rainbow trout aquaculture has gradually become a characteristic economic industry in China.The triploid rainbow trout is favored by farmers because of its fast growth rate,delicious meat and large population.However,the development of triploid rainbow trout aquaculture is also restricted by many problems,such as unreasonable breeding management,high feed cost and low processing efficiency.Based on the research reports of domestic and foreign experts and scholars,this paper summarized the research progress of triploid rainbow trout,analyzed the influence of different farming models,nutritional needs,disease prevention on the triploid rainbow trout industry,and put forward suggestions for the development of triploid rainbow trout industry in order to provide scientific reference for the further development of triploid rainbow trout farming technology in China.展开更多
We report in this paper primary studies on interspecific species of cotton vis GISH(genomic in situ hybridization).We use interspecific triploid hybrids(F1 from hybridization of allotetraploid cultivated species with ...We report in this paper primary studies on interspecific species of cotton vis GISH(genomic in situ hybridization).We use interspecific triploid hybrids(F1 from hybridization of allotetraploid cultivated species with diploid A,D,or C genome species) and two cultivated tetraploids to study展开更多
【背景】中国是水产养殖大国,在碳达峰、碳中和战略背景下,为了能够在未来的低碳经济中掌握话语权和主动权,需加快建立碳足迹管理体系,清晰核算水产养殖产品碳足迹,丰富产品碳足迹核算实践。【目的】建立和优化水产品碳足迹核算方法,比...【背景】中国是水产养殖大国,在碳达峰、碳中和战略背景下,为了能够在未来的低碳经济中掌握话语权和主动权,需加快建立碳足迹管理体系,清晰核算水产养殖产品碳足迹,丰富产品碳足迹核算实践。【目的】建立和优化水产品碳足迹核算方法,比较福建省主要牡蛎养殖产品的碳足迹。【方法】基于生命周期评价(LCA)法,对福建省主要养殖的福建牡蛎(Crassostrea angulate,二倍体)和三倍体牡蛎[福建牡蛎♂×太平洋牡蛎(C.gigas)♀]全生命周期碳足迹进行比较研究。【结果】本研究构建了养殖牡蛎产品碳足迹核算方法体系,并明确其系统边界和清单分析。经计算,生产1 t二倍体和三倍体牡蛎产品“从摇篮到大门”的碳足迹分别为-210.79和-37.92 kg CO_(2)eq,“从摇篮到坟墓”的碳足迹分别为-93.89和78.98 kg CO_(2)eq。养殖牡蛎产品的主要碳排放来源于育苗阶段电力消耗和养殖阶段的养殖设施损耗。【结论】和其他水产养殖产品比较,牡蛎碳排放低于绝大多数鱼、虾、贝等产品,是环境友好的水产品供给者。【意义】本研究为科学核算水产养殖产品碳排放、制定碳足迹评价技术标准体系提供重要支撑,有助于双碳背景下水产养殖的绿色发展。展开更多
基金Supported by Tianjin Science and Technology Plan Projects(22ZYCGSN00050,22ZYCGSN0024023ZYCGSN00350,23ZYCGSN00310,24ZYCGSN00080)+3 种基金Gansu Provincial Science and Technology Plan(22CX8NE20823CXND0002)Gannan Prefecture Science and Technology Plan Project(2023ZZ1NC006)Tianjin Education Commission Research Program Project(2022ZD004)。
文摘In recent years,the quality of people's lives has gradually improved,and people pay more attention to the rationality of food nutrition.Green and healthy aquatic products,as representative of high-protein and low-fat foods,are increasingly sought after by people.Triploid rainbow trout(Oncorhynchus mykiss)is rich in multiple unsaturated fatty acids and trace elements,which have rich nutrition and delicate flesh,its market demand is increasing.Triploid rainbow trout aquaculture has gradually become a characteristic economic industry in China.The triploid rainbow trout is favored by farmers because of its fast growth rate,delicious meat and large population.However,the development of triploid rainbow trout aquaculture is also restricted by many problems,such as unreasonable breeding management,high feed cost and low processing efficiency.Based on the research reports of domestic and foreign experts and scholars,this paper summarized the research progress of triploid rainbow trout,analyzed the influence of different farming models,nutritional needs,disease prevention on the triploid rainbow trout industry,and put forward suggestions for the development of triploid rainbow trout industry in order to provide scientific reference for the further development of triploid rainbow trout farming technology in China.
文摘We report in this paper primary studies on interspecific species of cotton vis GISH(genomic in situ hybridization).We use interspecific triploid hybrids(F1 from hybridization of allotetraploid cultivated species with diploid A,D,or C genome species) and two cultivated tetraploids to study
文摘【背景】中国是水产养殖大国,在碳达峰、碳中和战略背景下,为了能够在未来的低碳经济中掌握话语权和主动权,需加快建立碳足迹管理体系,清晰核算水产养殖产品碳足迹,丰富产品碳足迹核算实践。【目的】建立和优化水产品碳足迹核算方法,比较福建省主要牡蛎养殖产品的碳足迹。【方法】基于生命周期评价(LCA)法,对福建省主要养殖的福建牡蛎(Crassostrea angulate,二倍体)和三倍体牡蛎[福建牡蛎♂×太平洋牡蛎(C.gigas)♀]全生命周期碳足迹进行比较研究。【结果】本研究构建了养殖牡蛎产品碳足迹核算方法体系,并明确其系统边界和清单分析。经计算,生产1 t二倍体和三倍体牡蛎产品“从摇篮到大门”的碳足迹分别为-210.79和-37.92 kg CO_(2)eq,“从摇篮到坟墓”的碳足迹分别为-93.89和78.98 kg CO_(2)eq。养殖牡蛎产品的主要碳排放来源于育苗阶段电力消耗和养殖阶段的养殖设施损耗。【结论】和其他水产养殖产品比较,牡蛎碳排放低于绝大多数鱼、虾、贝等产品,是环境友好的水产品供给者。【意义】本研究为科学核算水产养殖产品碳排放、制定碳足迹评价技术标准体系提供重要支撑,有助于双碳背景下水产养殖的绿色发展。
