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首页> 外文期刊>Canadian Journal of Pure and Applied Sciences >POPULATION BIOLOGY OF A CESTODE, PROTEOCEPHALUS FILICOLLIS (RUDOLPHI) FROM GASTEROSTEUS ACULEATUS L. IN SCOTLAND
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POPULATION BIOLOGY OF A CESTODE, PROTEOCEPHALUS FILICOLLIS (RUDOLPHI) FROM GASTEROSTEUS ACULEATUS L. IN SCOTLAND

机译：苏格兰GA虫的一种DE虫（Proteocephalusus filiCOLLis）的种群生物学

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摘要

Seasonal changes in the biology of Proteocephalus filicollis were investigated for 27 months in three-spined stickleback, Gasterosteus aculeatus from Airthrey Loch Scotland. A total of 1301 fishes were sampled and 1949 P. filicollis worms were extracted. Proteocephalus filicollis were abundant throughout the year as indicated by high prevalence (38.66%), mean intensity (3.87) and abundance (1.49). Monthly prevalence and abundance showed significant difference in two years. Growth and maturation of P. filicollis showed a marked seasonal cycle, as both of these were occurring in spring and summer. The monthly mean length of worm showed positive correlation with water temperature (Year I, r 2 =93.1; Year II, r 2 =77.9) but negative correlation with mean intensity (Year I, r 2 =30.7; Year II, r 2 =5.6). The recruitment of plerocercoid worms occur throughout the year. Four factors are proposed which influence the maturation of P. filicollis; rise in water temperature in summer, low mean intensity; host length and host endocrine system. The natural population of P. filicollis is generally high in Airthray Loch and is correlated to abiotic factors and eutrophic nature of the Loch.
机译：在苏格兰Airthrey Loch的三棘刺背刺Gasterosteus aculeatus中研究了Proteocephalus filicollis生物学的季节性变化27个月。总共采样了1301条鱼，并提取了1949株P. filicollis蠕虫。高患病率（38.66％），平均强度（3.87）和富裕度（1.49）表示全年头状结肠原虫丰富。每月患病率和丰度在两年中显示出显着差异。 P. filicollis的生长和成熟表现出明显的季节性周期，因为它们都发生在春季和夏季。蠕虫的月平均长度与水温呈正相关（第一年，r 2 = 93.1;第二年，r 2 = 77.9），但与平均强度呈负相关（第一年，r 2 = 30.7;第二年，r 2 = 5.6）。一年四季都招募蝶形蠕虫。提出了四个因素来影响毛lic的成熟。夏季水温上升，平均强度低;宿主长度和宿主内分泌系统。在Airthray海湾中，P。filicollis的自然种群通常很高，并且与非生物因子和海湾的富营养化有关。

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