fa بررسی اثرات عصاره خشک زنجبیل (Zingiber officinale) بر شاخص های رشد، بازماندگی و دفاع آنتی اکسیدانی در تاسماهی سیبری (Acipenser baerii) تخصصي Special پژوهشي Research <span style="line-height: 115%;"><span style="direction: rtl;"><span style="unicode-bidi: embed;"><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">با توجه به اثرات مفید و مزایای گیاه دارویی زنجبیل (</span></span></span><i sans-serif="" style="font-family: Calibri, "><span dir="LTR" style="line-height:115%"><span new="" roman="" style="font-family:" times="">Zingiber officinale</span></span></i><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">)، این پژوهش با هدف بررسی اثرات عصاره خشک این گیاه بر شاخص&shy; های رشد، بازماندگی و دفاع آنتی&shy; اکسیدانی در تاسماهی سیبری (</span></span></span><i sans-serif="" style="font-family: Calibri, "><span dir="LTR" new="" roman="" style="font-family:" times="">Acipenser baerii</span></i><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">) انجام پذیرفت. </span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">مجموعا 180 عدد تاسماهی سیبری با میانگین وزنی 11/0&shy;</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span cambria="" style="font-family:">&plusmn;</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">8/13 گرم به طور تصادفی در چهار تیمار با سه تکرار شامل شاهد و سه تیمار عصاره پودری زنجبیل به نسبت 5/0، 1 و 5/1 درصد به مدت هشت تغذیه شدند. در طول دوره پرورش دو ماهه تلفاتی در تیمارها و شاهد مشاهده نگردید و بازماندگی ماهیان %100 بود. در پایان دوره پرورش در </span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">میزان </span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">وزن نهایی، بیومس نهایی، تولید و درصد افزایش وزن (</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">BWI</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">)، نرخ رشد ویژه (</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">GR</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">)، نرخ رشد روزانه (</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">ADG</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">) و افزایش وزن ماهی (</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">WG</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">) </span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">در تیمار ها اختلاف معنی&shy; دار آماری مشاهده شد (</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span new="" roman="" style="font-family:" times="">P<0.05</span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">). نتایج نشان داد که این شاخص&shy; ها در ماهیان تیمارهای 1، 2 و 3&nbsp; نسبت به شاهد روند افزایشی داشته است و میزان آن&shy; ها در تیمار 1 به شکل معنی داری بیشتر از شاهد بوده و کمترین میزان نیز در گروه شاهد مشاهده گردید. در سایر شاخص &shy;های رشد اختلاف معنی&shy; داری بین تیمارها مشاهده نشد (</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span new="" roman="" style="font-family:" times="">P>0.05</span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">). </span></span></span><span lang="FA" style=""><span style="line-height: 115%;"><span b="" nazanin="" style="font-family: ">از سوی دیگر در میزان آنزیم &shy;های آنتی&shy; اکسیدان </span><font color="#0782c1" face="Times New Roman, serif"><span style="font-size: 13.3333px;">CAT</span></font></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">، </span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">GPX</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">، </span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">SOD</span></span></span> <span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">سرم خون ماهیان</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:"> تیمارها نسبت به شاهد </span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">افزایش معنی &shy;دار آماری مشاهده شد </span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">و میزان مالون دی آلدهید</span></span></span> <span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">(</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">MDA</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">) نیز نسبت به شاهد </span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">یه صورت معنی &shy;داری کاهش یافت (</span></span></span><span dir="LTR" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">P<0.05</span></span></span><span lang="FA" sans-serif="" style="font-family: Calibri, "><span style="line-height:115%"><span b="" nazanin="" style="font-family:">). نتایج این تحقیق نشان داد که عصاره خشک زنجبیل می &shy;تواند در بهبود عملکرد رشد و دفاع آنتی اکسیدانی تاسماهی سیبری مؤثر باشد.</span></span></span></span></span></span> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span style="line-height:115%"><span sans-serif="" style="font-family:Calibri,"><b><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Introduction: </span></span></b><b><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span style="font-family:"B Mitra""></span></span></span></b></span></span></span></span><br> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span style="line-height:115%"><span sans-serif="" style="font-family:Calibri,"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">The use of natural compounds with medicinal and antimicrobial properties can be used as an organic method for prevention and treatment of infectious diseases in aquaculture.</span></span> <span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Due to beneficial effects and benefits of ginger (<i>Zingiber officinale</i>) as a medicinal plant, this study was conducted with the aim of investigating</span></span> <span style="line-height:115%"><span new="" roman="" style="font-family:" times="">the effects of extract of this plant on growth, survival and antioxidant defense in <a name="_Hlk224036820">Siberian sturgeon (</a><a name="_Hlk224036194"><i>Acipenser </i></a><a name="_Hlk224036172"><i>baerii</i></a>).</span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span style="font-family:"B Mitra""></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span style="line-height:115%"><span sans-serif="" style="font-family:Calibri,"><b><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Materials and methods: </span></span></b><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">A total of 180 Siberian sturgeon with an average weight of 13.8 &plusmn; 0.11 g were</span></span> <span style="line-height:115%"><span new="" roman="" style="font-family:" times="">randomly distributed into four treatments including a control and three experimental treatments (with three replications). Ginger (<i>Zingiber officinale</i>) powder extract was added to the special diet of the experimental groups in proportions of 0.5, 1 and 1.5%. Fish were fed manually with their special diet in fiberglass tanks for eight weeks. At the end of rearing period, the growth indices and antioxidant enzymes were studied.</span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span style="line-height:115%"><span sans-serif="" style="font-family:Calibri,"><b><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Results and Discussion: </span></span></b><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">No mortality was observed during the two-month rearing period and survival was 100 %. In final weight, final biomass, production,&nbsp; body weight increase (BWI), specific growth rate (SGR), daily growth rate (ADG) and weight gain (WG) were significantly different in treatments (P < 0.05) .the results showed that these indices in treatments 1 , 2 and 3 had an increasing trend compared to the control and the rate of these indices in treatment 1 was more than control and&nbsp; lowest amount was observed in control group. No significant differences were observed in other indices (p > 0.05). On the other hand, in the amount of antioxidant enzymes, CAT, GPX, and SOD were significantly increased and MDA levels were significantly decreased compared to the control (P < 0.05). </span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span style="line-height:115%"><span sans-serif="" style="font-family:Calibri,"><b><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Conclusion:</span></span></b><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""> The results of this study showed that ginger extract can be effective in improving the growth performance and antioxidant defense in <i>Acipenser baerii</i>.</span></span></span></span></span></span><br> &nbsp; تاسماهی سیبری, عصاره زنجبیل, آنزیم آنتی اکسیدان, رشد, بازماندگی. Siberian sturgeon, ginger extract, antioxidant enzymes, growth, survival. 0 0 http://aqudev.lahijan.iau.ir/browse.php?a_code=A-10-426-3&slc_lang=fa&sid=1 Soheil Bazari Moghaddam سهیل بازاری مقدم soheilbm274@gmail.com 100319475328460012473 100319475328460012473 Yes International Sturgeon Research Institute, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Rasht, Guilan, Iran انستیتو تحقیقات بین المللی ماهیان خاویاری، موسسه تحقیقات علوم شیلاتی کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، رشت، ایران Forouzan Bagherzadeh Lakani فروزان باقرزاده لاکانی f.bagherzadeh.l@gmail.com 100319475328460012474 100319475328460012474 No International Sturgeon Research Institute, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Rasht, Guilan, Iran انستیتو تحقیقات بین المللی ماهیان خاویاری، موسسه تحقیقات علوم شیلاتی کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، رشت، ایران Jalil Jalilpoor جلیل جلیل پور tjalilpoor@yaho.com 100319475328460012475 100319475328460012475 No International Sturgeon Research Institute, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Rasht, Guilan, Iran انستیتو تحقیقات بین المللی ماهیان خاویاری، موسسه تحقیقات علوم شیلاتی کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، رشت، ایران