Effect of Ammonia Exposure on the Non-Specific Immunity of Fresh Water Pearl Mussel Hyriopsis cumingii

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dc.contributor.authorXia H
dc.contributor.authorYang P
dc.contributor.authorLiu L
dc.contributor.authorLuo Y
dc.contributor.authorSun Y
dc.contributor.authorWang W
dc.contributor.authorYuan M
dc.contributor.authorLiu W
dc.date.accessioned2019-11-04T17:19:38Z
dc.date.available2019-11-04T17:19:38Z
dc.date.issued2019
dc.description.abstractAmmonia-N, the principal end-product of protein catabolism, is an important environmental toxic factor in ponds. Elevated environmental ammonia-N is very toxic to aquatic animals and has a deleterious effect on their immune system. However, its effect on their immune system remains unclear. In this study, the effects of ammonia-N (0, 5, 10 and 30 mg/L) on immune responses of Fresh Water Pearl Mussel Hyriopsis cumingii were determined. When exposed to 5 mg/L ammonia-N lysozyme activity increased significantly. Superoxide dismutase activity was highest in the 5 mg/L group followed by the 10 mg/L group. The marked decrease of Lysozyme activity of Fresh Water Pearl Mussel Hyriopsis cumingii in 10 mg/L and 30 mg/L ammonia-N groups suggests that the higher concentrations of ammonia-N reduces or inhibits their non-specific immunity. Compared to the control group, superoxide dismutase activity in 30 mg/L ammonia also decreased significantly. When exposed to 5mg/L ammonia-N, catalase, acid phosphatase and alkaline phosphatase activity enhanced. In the 10 mg/L and 30 mg/L group, ammonia-N decreased significantly The lysozyme, catalase, acid phosphatase and alkaline phosphatase activity showed a similar tendency. This suggests that in H. cumingii immunostimulatory response is enhanced at low ammoniaN concentrations. The results of this study provide a theoretical basis for disease prevention in the freshwater pearl mussel.
dc.format.extent8 pages
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10524/63011
dc.publisherThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectHyriopsis cumingii
dc.subjectpearl mussel
dc.subjectammonia-N
dc.subjectimmune function
dc.subjectlysozyme activity
dc.titleEffect of Ammonia Exposure on the Non-Specific Immunity of Fresh Water Pearl Mussel Hyriopsis cumingii
dc.typeArticle
dc.type.dcmiText

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Volume 71, 2019