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نقش برخی از تغییرات فیزیولوژیک در تغذیه ماهیان سفید ( در محدوده بندر انزلی) | ||
| مجله تحقیقات دامپزشکی (Journal of Veterinary Research) | ||
| مقاله 5، دوره 53، 1,2 - شماره پیاپی 1000149، مرداد 1377 اصل مقاله (320.61 K) | ||
| نویسندگان | ||
| دکتر شهربانوی عریان؛ دکتر غلامحسین وثوقی؛ حسین زرین کمر* | ||
| عنوان مقاله [English] | ||
| The role of some physiological changes in the feeding of Rutilus frisii kutums (Within Anzali port province) | ||
| چکیده [English] | ||
| The main interested food for Rutilus frisii kutums in the eastern and western coasts of Anzali port is cardium. On the basis of the occurrence method the food items such as crab and balanus also performs an important role in feeding behaviours of fishes in this region. Feeding intensity during the period of study (from October 1994 up to March 1995) significantly differs from month to month (p<0.0002). During this periods of time which coincides with the progess of maturity stages, the fat content over the alimentary canal was gradually reduced (r = -0.71, p difference (p between the HSI and feeding intensity, but the amount of HSI in various months were significantly differed (p<0.05) and HSl level was maximum in the prespawning period (February & March). | ||
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