Survival and nutrient composition of yesso scallop Patinopecten yessoensis in different unitized transport cages during live transportation
PAN Lan-lan1,2, ZHANG Guo-chen2, HONG Bin3, MU Gang2, YANG Xiao-tong2, WANG Yang2, LIN Cheng-xin1
1.College of Transport Equipment and Ocean Engineering, Dalian Maritime University, Dalian 116026, China; 2.College of Mechanical and Power Engineering, Dalian Ocean University, Dalian 116023, China; 3.Dalian Entry-Exit Inspection and Quarantine Bureau, Dalian 116600, China
Abstract: In this study，survival rates and nutrient composition were studied in yesso scallop Patinopectenyessoensis (PY)cleaned and holding for short period during live transportation by different unitized transport cases including polyethylene cas without ice(group A), polyethylene cas with ice(group B), semiconductor thermal insulation case with low temperature(group C), and 5 ℃ semiconductor thermal insulation case (group D). Temperature and humidity inside and outside the cases were monitored, and the changes in levels of survival rates, glycogen, crude protein and crude fat were determined. The results showed that survival of PY in the closed container were affected by temperature and cooling way in the cases, with the initial death at 48 h in group A, 64 h in group B, 112 h in group C, and 104 h in group D. Levels of glycogen, crude protein and crude fat were declined in all groups as transport time elapsed, significant differences in glycogen and crude protein levels in difference unit transportation mode (P<0.05) during survival period, slower change in levels of glycogen and crude protein in group C and group D than those in group A and group B. In 64-96 h, however, there was no significant difference in crude protein level in group C and group D (P>0.05). No significant difference in crude fat level was observed in different unitized transport cases during the scallop survival period (P>0.05), with significant difference in crude fat level in 0-40 h during transportation(P<0.05). Levels of glycogen, crude protein and crude fat were declined as transport time elapsed, and it took 56 hours longer for low levels of glycogen, crude protein and crude fat in group C, and group D (96 h) than in group A, and 48 h than group B. The findings indicated that cooling way of compressor and semiconductor leads to decline rate of consumption of glycogen, crude protein and crude fat slowly, thus prolong the survival period.
潘澜澜, 张国琛, 洪滨, 母刚, 杨晓彤, 王洋, 林成新. 不同单元化运输条件对活体虾夷扇贝存活率及主要营养成分的影响[J]. 大连海洋大学学报, 2017, 32(5): 590-596.
PAN Lan-lan, ZHANG Guo-chen, HONG Bin, MU Gang, YANG Xiao-tong, WANG Yang, LIN Cheng-xin. Survival and nutrient composition of yesso scallop Patinopecten yessoensis in different unitized transport cages during live transportation. Journal of Dalian Ocean University, 2017, 32(5): 590-596.
2017, Vol. 32 
