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تأثیر رنگدانه طبیعی چغندر قرمز (Beta vulgaris) و روناس (Rubia tinctorum) بر رنگپذیری پوست و شاخص‌های رشد ماهی آنجل سفید (Pterophyllum scalare) | ||
| فصلنامه علمی زیست شناسی جانوری تجربی | ||
| مقاله 6، دوره 4، شماره 3، بهمن 1394، صفحه 53-60 اصل مقاله (490.72 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| نویسندگان | ||
| مریم احمدی؛ عباسعلی زمینی | ||
| دانشگاه آزاد واحد لاهیجان | ||
| چکیده | ||
| چکیده در این تحقیق به بررسی تأثیرات استفاده از رنگدانه های طبیعی همچون چغندر قرمز Beta vulgaris)) و روناس (Rubia tinctorum) و ترکیب این دو رنگدانه بر روی ماهی آنجل سفید (Pterophyllum scalare) مورد مطالعه قرار گرفت. این بررسی بر روی 76 ماهی آنجل سفید با وزن متوسط 5/0±12/1 گرم در 5 گروه شامل 5 و 10 گرم روناس در کیلو گرم غذا،5و10 گرم چغندر قرمز در هرکیلو گرم غذا و گروه ترکیبی (5گرم روناس به اضافه 5گرم چغندر قرمز) در هر کیلوگرم غذا و گروه شاهد. غذا دهی 3 بار در روز و به میزان 10% وزن بدن ماهیان انجام پذیرفت. در پایان توسط دوربین دیجیتال با شرایط کاملا یکسان عکسبرداری انجام شد و میزان رنگپذیری پوست ماهی از طریق سیستم Lab نرم افزار فتوشاپ مورد بررسی قرار گرفت. همچنین برخی از شاخص های رشد مانند SGR, FCR, BWI مورد بررسی قرار گرفت. در پایان دوره ماهیان تغذیه شده با خوراک حاوی چغندرقرمز g/kg۱۰ رنگ زرد بارزتری نسبت به گروه شاهد و سایر گروه ها داشته است (05/0p | ||
| کلیدواژه‌ها | ||
| pterophyllum scalare؛ چغندر قرمز؛ روناس؛ رنگپذیری؛ شاخص-های رشد | ||
| عنوان مقاله [English] | ||
| The effect of natural pigment of Beta vulgaris and madder rubia tinctorum on skin tonality and index of growth of white angel fish pterophyllum scalare | ||
| نویسندگان [English] | ||
| M Ahmadi؛ A Zmini | ||
| چکیده [English] | ||
| In this research we have considered the effect of using natural pigment like (Beta vulgaris) and (rubia tinctorum) and compound of these two pigments on white angel fish (pterophyllum scalare).. This consideration on 76 white angel fish with average weight of 1.12±0.5gr in 5 treatments including 5 and 10gr madder in kg food, 5 and 10gr red beet per kg food and combined treatment(5gr madder adding to 5gr red beet) per kg food and control group. Feeding was done 3 times a day and to the degree of 10% of the weight of fishes’ body. At the end taking photo was done by equal condition through digital cameras and degree of tonality of fish skin has been considered through Lab system of Photoshop. Also some index of growth like BWI, FCR, and SGR. At the end of period fishes fed up with foods having 10kg/kg red beet has had more clear yellow color than control group and other treatments(p | ||
| کلیدواژه‌ها [English] | ||
| pterophyllum scalare, red beet, madder, tonality, growth index | ||
| مراجع | ||
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