تأثیر استفاده از جاذب‌های معدنی و آلی بر عملکرد و وزن اندام‌های داخلی جوجه‌های گوشتی در آفلاتوکسیکوزیس تجربی

نوع مقاله : علمی پژوهشی- تغذیه طیور

نویسندگان

• بهنام حیدر پور
• علی نوبخت

گروه علوم دامی، دانشکده کشاورزی، دانشگاه آزاد اسلامی، واحد مراغه، مراغه ایران

10.22067/ijasr.v7i3.24331

چکیده

این تحقیق در قالب طرح کاملاً تصادفی با نه تیمار آزمایشی و چهار تکرار و با در نظر گرفتن دوازده قطعه جوجه در هر واحد آزمایشی جمعاً بر روی 432 قطعه جوجه‌ گوشتی سویه‌ راس- 308 انجام گرفت. تیمارهای آزمایشی شامل جیره‌ عاری از آفلاتوکسین، جیره‌ آلوده به آفلاتوکسین به میزان (ppb254)، پنج جیره‌ آلوده به آفلاتوکسین مکمل‌ شده با سطوح 2/0، 4/0، 6/0، 8/0 و 1 درصد اسید هومیک، جیره‌ آلوده به آفلاتوکسین مکمل‌ شده با 5/0 درصد بنتونیت سدیم و جیره‌ آلوده به آفلاتوکسین مکمل‌ شده با 1/0 درصد دیواره‌ سلولی مخمر بودند. برای مقایسه‌ تفاوت بین گروه‌ها از آزمون چند دامنه‌‌ای دانکن استفاده شد. آزمایش از سن 7 ‌روزگی پرندگان تحت آزمایش شروع و در سن 35 روزگی به‌ اتمام رسید. آلوده نمودن جیره ها به آفلاتوکسین و افزودن جاذب‌های آن اثرات معنی‌داری بر عملکرد و وزن نسبی اندام‌های داخلی جوجه‌های گوشتی داشت (05/0>P). استفاده از جیره آلوده به آفلاتوکسین و جاذب‌های آن، سبب افزایش معنی‌دار میزان مصرف خوراک نسبت به جیره‌ بدون آفلاتوکسین شد. کمترین مقدار افزایش وزن در پرندگان تغذیه شده با جیره حاوی آفلاتوکسین بدون مواد جاذب مشاهده شد. استفاده از 2/0 درصد اسید هومیک موجب بهبود معنی‌دار افزایش وزن و ضریب تبدیل خوراک در پرندگان تغذیه شده به جیره‌ آلوده به آفلاتوکسین گردید. نتایج حاصل از این آزمایش نشان داد که اسید هومیک می‌تواند موجب کاهش اثر منفی جیره‌‌های آلوده به آفلاتوکسین بر عملکرد جوجه های گوشتی شود.

کلیدواژه‌ها

• آفلاتوکسیکوزیس
• اسید هیومیک
• بنتونیت سدیم
• جوجه‌های گوشتی
• دیواره‌ سلولی مخمر

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عنوان مقاله [English]

The effects of using of mineral and organic toxin absorbents on broiler performance and internal organs weight in experimental aflatoxicosis

نویسندگان [English]

• Behnam Heidarpour
• Ali Nobakht

Islamic Azad University- Department of Animal Science, Faculty of Agriculture, Islamic Azad University, Maragheh Branch, Maragheh, Iran

چکیده [English]

Introduction The occurrence of mycotoxins in foods and feeds is a problem of major concern in all over the world. Profitability of poultry production can be greatly affected due to the frequency of feed contamination and the detrimental effects of these toxins on the performance. Aflatoxins, a group of closely related and biologically active mycotoxins, are produced by strains of Aspergillus flavus and Aspergillus parasiticus. They commonly occur as natural contaminant of poultry feeds. Domestic animal species such as chickens, ducks, cattle and turkeys consuming sublethal doses of aflatoxins for several days developed a toxic syndrome in which liver damage was the most significant change. The biological effects of aflatoxins could be categorized into two groups, long term and short term effects. Long term effects included chronic toxicity, cancer, birth defects and genetic alterations. Aflatoxins affected all poultry species, although they generally take relatively high levels to cause mortality, low levels can be detrimental if continually fed.
Material and Methods This study was conducted to determine the efficacy of mineral, organic toxin absorbents, humic acid and yeast cell wall on performance and internal organs weight of broilers in experimental aflatoxicosis. This study was conducted in a completely randomize design with 432 Ross-308 broilers with 9 treatments, 4 replicates and 12 broilers in each replicate. Treatments included diet without aflatoxin, 2: diet contaminated with aflatoxin, 3: diet contaminated with aflatoxin and supplemented with 0.20 Humic acid, 4: diet contaminated with aflatoxin and supplemented with 0.40 Humic acid, 5: diet contaminated with aflatoxin and supplemented with 0.60 Humic acid, 5: diet contaminated with aflatoxin and supplemented with 0.80 Humic acid, 6: diet contaminated with aflatoxin and supplemented with 0.80 Humic acid, 7: diet contaminated with aflatoxin and supplemented with 1.00 Humic acid, 8: diet contaminated with aflatoxin and supplemented with 0.50 sodium bentonite, 9: diet with aflatoxin and supplemented with 0.10 yeast cell wall. The experiment was done between 7-35 days.
Results and Discussion The results showed that afalatoxin and its absorbents significantly affect the performance and internal organs weight of broilers (P

کلیدواژه‌ها [English]

• Aflatoxicosis
• Broilers
• Humic acid
• Sodium bentonit
• Yeast cell wall

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