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ارزیابی سطح آفلاتوکسین B1 در اقلام مختلف خوراک دام گاوداری‌‌های استان خراسان رضوی | ||
| علوم دامی | ||
| مقاله 5، دوره 27، شماره 103، شهریور 1393، صفحه 43-54 اصل مقاله (1.34 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2014.100260 | ||
| نویسندگان | ||
| معصومه مهربان سنگ آتش* 1؛ محمد محسن زاده2؛ فائزه تجلی3؛ رضا کاراژیان4؛ امید صفری5؛ محمد کاظم اکبری6 | ||
| 1استادیار، پژوهشکده علوم و فناوری مواد غذایی جهاد دانشگاهی | ||
| 2دانشیار، دانشگاه فردوسی مشهد | ||
| 3مربی، پژوهشکده علوم و فناوری مواد غذایی جهاد دانشگاهی | ||
| 4عضو گروه پژوهشی کیفیت و ایمنی مواد غذایی، پژوهشکده علوم وفناوری مواد غذایی جهاد دانشگاهی | ||
| 5استادیار، دانشگاه فردوسی مشهد | ||
| 6کارشناس مدیریت امور دام، سازمان جهاد کشاورزی خراسان رضوی | ||
| چکیده | ||
| هدف از مطالعه حاضر تعیین میزان آفلاتوکسین B1 در خوراک دام (ذرت سیلوشده، ذرت دانه‌ای، یونجه خشک، کنجاله پنبه دانه، پنبه دانه کامل، کنجاله سویا، کنجاله کانولا، جو، سبوس گندم، کنسانتره، تفاله چغندرقند و کاه گندم) گاوداری‌‌های تحت رکوردگیری جهاد کشاورزی در سطح استان خراسان رضوی با تولید شیر خیلی بالا (بیشتر از 10000)، تولید بالا (10000-5000)، تولید متوسط (5000-2000) و تولید پایین (کمتر از 2000 کیلوگرم در روز) می‌باشد. نمونهبرداری در فصول گرم (اول خرداد تا آخر تیر) و سرد (اول آذر تا آخر دی) انجام شد. نمونه‌‌های خوراک دام در بسته‌‌های زیپ‌کیپ استریل قرار داده شد و تا زمان انجام آزمون‌ها در دمای 18- درجه سانتی‌گراد نگهداری شد. مقدار آفلاتوکسین B1 با استفاده از روش الایزا اندازه‌گیری شد. نتایج تفاوت آماری معنی‌داری را بین واحد‌های گاوداری با میزان تولید شیر خیلی بالا، بالا، متوسط و پایین، از نظر میزان آفلاتوکسین B1 سنجش شده در کنجاله‌‌های پنبه دانه و کانولا، سبوس گندم، تفاله چغندر قند و کاه نشان داد (05/0>P). همچنین میزان آفلاتوکسین B1 موجود در تمام اقلام غذایی در فصل زمستان بیشتر از فصل تابستان بود. نتایج به دست آمده همچنین نشان داد که در 87/21 درصد از نمونه‌‌های خوراک کامل مورد مطالعه میزان آلودگی از حد مجاز آفلاتوکسین B1 بالاتر بود. | ||
| عنوان مقاله [English] | ||
| Evaluation of aflatoxin B1 levels in feedstuffs of dairy herds in Khorasan Razavi Province | ||
| نویسندگان [English] | ||
| Masoomeh Mehraban sangatash1؛ Mohammad Mohsenzadeh2؛ Faezeh Tajali3؛ Reza Karajian4؛ Omid Safari5؛ Mohamad kazem Akbari6 | ||
| چکیده [English] | ||
| The aims of the present study was to evaluate the level of aflatoxin B1 (AFB1) in feedstuffs (corn silage, corn, dried alfalfa, cottonseed meal, cottonseed, soybean meal, canola meal, barley, wheat bran, concentrate, sugar beet pulp and wheat straw) that collected from dairy herds in Khorasan Razavi Province that classified according to milk yield in very high (>10000 Kg/day), high (5000-10000 Kg/day), intermediate (2000-5000 Kg/day) and low (<2000 Kg/day) milk production. Sampling was performed during cold (early December to late January) and warm (early June to late July) seasons. Feed samples were placed in sterile packages and were maintained until test at -18 °C. Aflatoxin B1 levels were measured using ELISA. Results showed significant differences between the amount of aflatoxin B1 in cottonseed meal, canola meal, wheat bran, sugar beet pulp and wheat straw among all dairy herd classes (P<0.05). The contents of aflatoxin B1 in all feedstuffs during the cold seasons were higher than those of warm seasons. Results also showed that aflatoxin B1 level in %21.87 of the total diet samples were higher than the maximum tolerance limit (50 ng/g). | ||
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