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:: دوره 9، شماره 3 - ( 1389 ) ::
جلد 9 شماره 3 صفحات 434-443 برگشت به فهرست نسخه ها
Hematological changes in Tinca tinca after exposure to lethal and sublethal doses of Mercury, Cadmium and Lead
چکیده:   (10370 مشاهده)
Tench, Tinca tinca, were exposed to three treatments (one acute lethal 96 hrs Lc50/48 hrs and two chronic sublethal 10 and 25% Lc50/504 hrs) each of Mercury, Cadmium and Lead and its behaviour as an indicator of impaired hematology was studied. It was observed that impairments in hematological parameters (increased/decreased Hct, Hb, RBC, WBC and Lct) were reflected in behaviour of fish in the form of hyperactivity, increased breathing, accelerated ventilation with rapid arrhythmic opercular and mouth movement, frequent surfacing and sinking, erratic swimming, gradual onset of inactivity, lethargy, loss of equilibrium, revolving and convulsion on exposure to heavy metal treatments. It was concluded that possibly four physiological systems (i) faulty gaseous exchange at gills, (ii) stress mediated hormonal imbalance, (iii) impaired osmoregulation and (iv) disturbed metabolism were involved in hematological impairments and their reflection in the behaviour of fish.
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نوع مطالعه: پژوهشي | موضوع مقاله: Toxicology
دریافت: 1389/5/4 | پذیرش: 1394/6/22 | انتشار: 1394/6/22
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Lal Shah S. Hematological changes in Tinca tinca after exposure to lethal and sublethal doses of Mercury, Cadmium and Lead . IJFS. 2010; 9 (3) :434-443
URL: http://jifro.ir/article-1-37-fa.html

Hematological changes in Tinca tinca after exposure to lethal and sublethal doses of Mercury, Cadmium and Lead . مجله علوم شیلاتی ایران. 1389; 9 (3) :434-443

URL: http://jifro.ir/article-1-37-fa.html



دوره 9، شماره 3 - ( 1389 ) برگشت به فهرست نسخه ها
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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