1گروه بیولوژی دریا، واحد لاهیجان، دانشگاه آزاد اسلامی، لاهیجان، ایران
2گروه زیست شناسی، واحد ایذه، دانشگاه آزاد اسلامی، ایذه، ایران
3گروه زیست شناسی، واحد لاهیجان، دانشگاه آزاد اسلامی، لاهیجان، ایران
چکیده
پارامترهای خونی وسیله ارزشمندی برای نظارت سلامتی و رشد ماهی به شمار می‌آیند و توسط تعداد زیادی از فاکتورهای داخلی و خارجی تحت تاثیر قرار می‌گیرند. در مطالعه حاضر که با هدف بررسی تاثیر فاکتورهای محیطی و داخلی بر پارامترهای خونی ماهی شاه کولی صورت گرفت تعداد 84 قطعه ماهی شاه کولی با میانگین وزن 10/27 ± 69/45 گرم و میانگین طول 98/3 ±50/16 سانتی‌متر از سواحل خزر جنوبی در استان گیلان در سه ایستگاه (دریا، مصب و رودخانه) طی یک سال نمونهبرداری شدند. پس از بیومتری و تعیین جنسیت، خون‌گیری از ساقه دمی انجام شد و میانگین فاکتورهای خونی تعیین شد. با توجه به نتایج تعداد گلبول‌های قرمز، میزان هموگلوبین و درصد هماتوکریت در جنس نر به طور معنی‌داری بیشتر از جنس ماده بود (05/0p<). فاکتورهای خونی فوق در محیط رودخانه از محیط دریا و مصب و در فصل تابستان از فصول دیگر بطور معنی‌داری بیشتر بود (05/0p<). در آزمون همبستگی پیرسون، فاکتورهای خونی ارتباط معنی‌دار منفی با شوری آب، وزن و طول کل ماهی و ارتباط معنی‌دار مثبت با دمای آب داشتند (01/0p<). آزمون رگرسیون خطی حاکی از ارتباط معنی‌دار فاکتورهای خونی با دمای آب بود (01/0p<).
Influence of Environmental and Internal Factors on Hematological Parameters of Alburnus chalcoides
نویسندگان [English]
V. Bahrpeyma1؛ M. Setorki2؛ A. Moshfegh3؛ M.R. Rahimbashar3
1Department of Marine Biology, Lahijan Branch, Islamic Azad University, Lahijan, Iran
2Department of Biology, Izeh Branch, Islamic Azad University, Izeh, Iran
3Department of Biology, Lahijan Branch, Islamic Azad University, Lahijan, Iran
چکیده [English]
Blood parameters regarded as valuable tools for monitoring fish health and growth is influenced by many intrinsic and extrinsic factors. In this study that aimed to evaluate the effect environmental and intrinsic factors on hematological parameters of Alburnus chalcoides,84 fish samples (average body weight 45.69±27.10 gr and average body length 16.50±3.98 cm) were collected from three sampling stations (sea, river, and estuary) in the southern coast of the Caspian Sea in Gilan Province during 12 months. Biometry and determination of sex, blood samples were collected from the caudal peduncle and used for hematological studies. Red blood cell count (RBC), hemoglobin (HGB), and hematocrit (HCT) values were significantly in males higher than in females (P<0.05). These hematological parameters were significantly higher in the river than in the sea and estuary and in the summer than other seasons (P<0.05). In Pearson correlation test, blood factors had significant negative correlation with water salinity and total length as well as weight of fish. They also had significant positive correlation with water temperature (P<0.01). Regression analysis showed a significant relationship between blood factors and water temperature (P<0.01).
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