Effects of water ammonia nitrogen on hemolymph and intestinal microbiota of Litopenaeus vannamei
Xuanting Li, Xisha Deng, Dongwei Hou, Shenzheng Zeng, Zhixuan Deng, Renjun Zhou, Lingyu Zhang, Qilu Hou, Qi Chen, Shaoping Weng, Jianguo He, Zhijian Huang
Effects of water ammonia nitrogen on hemolymph and intestinal microbiota of Litopenaeus vannamei
Ammonia stress was detrimental to shrimp, but how water ammonia nitrogen (ammonia-N) influences the shrimp’s health remains unclear. Thus, this study was designed to investigate the effects of water ammonia-N on hemolymph ammonia-N concentration, hepatopancreas structure, and the intestinal microbiota of Litopenaeus vannamei with four experiments. We found that the concentration of ammonia-N in shrimp hemolymph was significantly higher than that in pond water, indicating that water ammonia-N stimulates the accumulation of hemolymph ammonia-N. Results also indicated that the hemolymph ammonia-N accumulation would disrupt the hepatopancreas structure and alter the intestinal microbial composition. The concentration of hemolymph ammonia-N and severity of hepatopancreas damage positively correlated with water ammonia-N concentration. However, though the diversity of intestinal microbiota was varied by ammonia-N, there were no significant differences between groups, suggesting that the variation was relatively minimal. Furthermore, returning shrimp to pristine water after ammonia-N exposure could reduce the hemolymph ammonia-N concentration and the mortality rate. This study provides evidence of temporal variations in hemolymph ammonia-N concentration, hepatopancreatic structure, and intestinal microbiota under different water ammonia-N levels, which might shed insights into ecological cognition on scientific management of shrimp culture and microecological prevention of shrimp health.
Litopenaeus vannamei / Ammonia nitrogen / Hemolymph / Hepatopancreas / Intestinal microbiota
[1] |
|
[2] |
|
[3] |
|
[4] |
|
[5] |
|
[6] |
|
[7] |
|
[8] |
Food and Agriculture Organization of the United Nations (FAO). The State of World Fisheries and Aquaculture Sustainability in Action. Rome: Italy; 2020.
|
[9] |
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, 2007. Part 4: Survey of chemical parameters in sea water, in: Specification for oceanography survey., General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, People's Republic of China (GB/T 12763.4–2007).
|
[10] |
|
[11] |
|
[12] |
|
[13] |
|
[14] |
|
[15] |
|
[16] |
|
[17] |
|
[18] |
|
[19] |
|
[20] |
|
[21] |
|
[22] |
|
[23] |
|
[24] |
|
[25] |
|
[26] |
|
[27] |
|
[28] |
|
[29] |
|
[30] |
|
[31] |
|
[32] |
|
[33] |
|
[34] |
|
[35] |
|
[36] |
|
[37] |
|
[38] |
|
[39] |
|
[40] |
|
[41] |
|
[42] |
|
[43] |
|
[44] |
|
[45] |
|
[46] |
|
[47] |
|
/
〈 | 〉 |