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اثرات پری‌بیوتیک قارچ آسپرژیلوس بر عملکرد، فراسنجههای خونی و آنزیمی، ریختشناسی رودهها و تلفات در جوجه‌های گوشتی تحت سندرم افزایش فشار خون ریوی (PHS) القایی | ||
| فصلنامه علمی زیست شناسی جانوری تجربی | ||
| دوره 9، شماره 4، اردیبهشت 1400، صفحه 11-20 اصل مقاله (236.52 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.30473/eab.2021.50039.1762 | ||
| نویسندگان | ||
| مختار فتحی* 1؛ تیمور تنها1؛ محمد ناجی احمدی2 | ||
| 1استادیار، علوم دامی، گروه کشاورزی، دانشگاه پیام نور، تهران، ایران | ||
| 2کارشناس ارشد، علوم دامی، گروه کشاورزی، دانشگاه پیام نور، تهران، ایران | ||
| چکیده | ||
| برای بررسی اثرات پری‌بیوتیک فرماکتو (قارچ آسپرژیلوس) بر عملکرد و فراسنجههای خونی جوجه‌های گوشتی تحت آسیت القایی تعداد 240 قطعه جوجه یک روزه از سویه راس 308 در قالب طرح کاملاً تصادفی به سه تیمار و هر تیمار با چهار تکرار تقسیم شدند. تیمارهای غذایی شامل؛ تیمار شاهد (القای PHS) و سطوح دو و چهار گرم درکیلوگرم خوراک مصرفی پری‌بیوتیک فرماکتو (قارچ آسپرژیلوس) بودند.. برای القای آسیت همه پرندگان نمک به مقدار 5/1 گرم در لیتر را از روز ششم تا روز سیزدهم دریافت نمودند. مکملهای پری‌بیوتیک از روز 12 آزمایش به خوراک اضافه شدند. نتایج نشان داد هر دو سطح پری‌بیوتیک به‌طور معنی داری سبب کاهش خوراک مصرفی و کاهش ضریب تبدیل خوراک در مقایسه با تیمار شاهد شد (05/0P<). هر دو سطح پری‌بیوتیک سبب کاهش معنی‌دار هموگلوبین، گلبول قرمز، پروتئین و هماتوکریت خون پرندگان شدند (05/0>P). هر دو سطح پری‌بیوتیک سبب کاهش معنی‌دار تلفات ناشی از آسیت و شاخص RV/TV شد (05/0>P). نتایج حاصل از ریختشناسی روده نشان داد که نسبت وزن رودهها به وزن بدن بین گروههای آزمایشی تفاوت معنی‌داری نداشت (05/0>P). نتیجهگیری کاربردی این‌که میتوان به‌طور موفقیت‌آمیزی از سطح دوگرم در کیلوگرم خوراک از پری‌بیوتیک فرماکتو در جیره جوجه‌های گوشتی به‌عنوان یک عامل مؤثر کاهش مشکلات عملکردی و تلفات ناشی از آسیت استفاده نمود. | ||
| کلیدواژه‌ها | ||
| افزایش فشارخون ریوی؛ پری‌بیوتیک؛ جوجه‌های گوشتی؛ عملکرد رشد؛ قارچ آسپرژیلوس | ||
| عنوان مقاله [English] | ||
| Effect of Prebiotic Aspergillus on performance, blood parameters, intestine morphology, and mortality of broiler chicks under induced Pulmonary Hypertension Syndrome (PHS) | ||
| نویسندگان [English] | ||
| Mokhtar Fathi1؛ Taimour Tanha1؛ Naji Ahmadi2 | ||
| 1Assistant Professor, Animal Science, Department of Agriculture, Payam Noor University, Tehran, Iran | ||
| 2M. A. of Animal Science, Department of Agriculture, Payam Noor University, Tehran, Iran | ||
| چکیده [English] | ||
| This experiment was conducted to investigate the effects of different levels of prebiotic (Fermacto) on performance and some blood parameters of broiler chicks under induced ascites. 240-old chicks from Ross 308 strain were randomly divided into three treatments and each treatment was divided into four replicates. The dietary treatments included: control and two levels (2 and 4 g/kg feed) of prebiotic (Fermacto). For ascites induction, all birds received 1.5 grams salt per liter from day 6 to day 13. The relative weight of the intestines was measured relative to the body weight at end of experiment. The birds of the negative treatments were subjected to an induction program. Prebiotic supplements were added to the feed from the 12th day of the experiment. Both prebiotic levels significantly reduced feed intake & reduced feed conversion and increased weight gain in comparison with control treatment (P<0.05). Both prebiotic levels significantly decreased the hemoglobin, red blood cells, protein and hematocrit in birds were induced ascites (P<0.05). Both prebiotic levels significantly decreased ascites and RV / TV index (P<0.05). The results of intestinal morphology indicated that the weight of the intestines (dissected from below the gizzard to the ileal cecal junction) was not significantly different between the experimental groups. in Conclusion, it is possible to successfully use a 2gg/kg diet of prebiotic (Fermacto) in broiler chickens as an effective factor in reducing functional problems and ascites mortality. | ||
| کلیدواژه‌ها [English] | ||
| Aspergillus Meal, Broiler Chickens, Growth Performance, Prebiotic, Pulmonary Hypertension Syndrome | ||
| مراجع | ||
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