首页> 中文期刊> 《水产学杂志》 >日本囊对虾亲虾无水包装技术与应用

日本囊对虾亲虾无水包装技术与应用

         

摘要

本文报道了以冷冻木屑为填充料,长途运输日本囊对虾(Marsupenaeus japonicas)亲虾的无水包装技术及其应用实验。亲虾在室温条件下经3~5h适应性暂养后,以1℃·h-1降温速率逐步降至15℃,并维持该温度。包装前1h再把水温降至亲虾出现僵硬或侧卧为冷休克标志,大约11℃左右。包装时,在泡沫箱内铺上冷冻木屑3~5cm,再放上一层排列整齐的亲虾,如此一层木屑一层亲虾,至表层以木屑装满箱为止。一个航空运输专用箱(60×45×32cm)可装70~80尾亲虾。箱内可根据运输时间放置降温剂(干冰)1~2块。2004年~2006年,从厦门空运亲虾到河北黄骅市渤海水产资源增殖站,36批次,亲虾总数量达16584尾,运输过程死亡1436尾,存活率为91.34%。文中还就包装过程人为操作不当的影响、常见问题和各种活虾运输方法的利弊进行了分析与讨论。%This article attempts to describe in detail techniques and application of anhydrous packaging with chilled sawdust in long-distance transportation of live kuruma shrimp Marsupenaeus japonicus broodstock. The broodstock were acclimatized for 3~5 hr under the condition of room temperature, and the water temperature was gradually dropped at a rate of 1℃·h-1 to 15℃which was main-tained. One hour before the packing, the water temperature was again made to drop to the temperature(some 11℃) at which the c old shock sign of the shrimp, stiff or lying on side, appeared. During the process of packing, 3~5 cm layer of chilled sawdust was put at the bottom of a foam box, then a layer of neat rows of shrimp was put on the chilled sawdust, and a layer of chilled sawdust was again put on shrimp until the top surface of box was filled with chilled sawdust. A special air transport box (60×45×32cm) can hold 70~80 shrimps., and 1~2 pieces of the cooling agent(dry ice) were placed in the box according to the air transportation period. From 2004 to 2006, a total number of 16584 shrimp(36 batches)were transported from Xiamen to Huanghua Bohai Multiplication Station of Aquatic Resources of Hebei Province by air, with survival rate of 91.34%.The harmful effects caused by improper handling and common prob-lems during the packing process, the pros and cons of various methods to transport live shrimp were also analyzed and discussed.

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