Un Nissa Nighat, Jan Masarat, Tantray Javeed Ahmad, Dar Nazir Ahmad, Jan Arizo, Ahmad Fayaz, Paray Bilal Ahamad, Gulnaz Aneela
Department of Zoology, University of Kashmir, Srinagar 190006, India.
Centre of Research for Development, University of Kashmir, Srinagar 190006, India.
Saudi J Biol Sci. 2022 Apr;29(4):2921-2925. doi: 10.1016/j.sjbs.2022.01.022. Epub 2022 Jan 15.
There is interrelationship of the environmental conditions and fish health. Decrease or increase of pollution in aquatic ecosystem have direct impact on presence or absence of parasites. Fish living under optimum environmental, well-nourished conditions are more resistant to diseases than fish weakened by malnutrition caused by parasite infestation or due to deterioration of environmental conditions because ofpollution. Fish encounters common parasites in wild and in culture systems. Parasites attach to the host through suckers and hooks and make their way inside the host through different means, which include skin, through mouth along with food, by means of gills. The hosts were collected during Jan 2019 to Jan 2020 from river Veshaw. During this study it was observed that presence of parasites causes some changes in fish which can serve as indicators of deterioration in aquatic habitat. Clinical signs were noticed in fish hosts collected from sites which received waste due to anthropogenic activities. Parasitic anomalies in the host collected from polluted site was observed to include body deformaties, gastric distention, lesions in gut, increased mucus production, damage in gill filaments .
环境条件与鱼类健康之间存在相互关系。水生生态系统中污染的减少或增加对寄生虫的存在与否有直接影响。生活在最佳环境、营养良好条件下的鱼类比因寄生虫感染导致营养不良或因污染导致环境条件恶化而身体虚弱的鱼类更能抵抗疾病。鱼类在野外和养殖系统中都会遇到常见的寄生虫。寄生虫通过吸盘和钩子附着在宿主身上,并通过不同方式进入宿主体内,这些方式包括皮肤、随食物经口、通过鳃。宿主于2019年1月至2020年1月从韦肖河采集。在这项研究中观察到,寄生虫的存在会导致鱼类出现一些变化,这些变化可作为水生生境恶化的指标。在从因人为活动而接收废物的地点采集的鱼类宿主中注意到了临床症状。从污染地点采集的宿主中的寄生异常情况包括身体畸形、胃部膨胀、肠道病变、黏液分泌增加、鳃丝损伤。