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اثر مکمل آنزیمی و اندازه ذرات گندم بر عملکرد، جمعیت میکروبی و اسیدیته روده کوچک و خصوصیات بستر بلدرچین ژاپنی | ||
| علوم دامی | ||
| دوره 35، شماره 134، خرداد 1401، صفحه 75-90 اصل مقاله (2.18 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2021.343451.2076 | ||
| نویسندگان | ||
| سیامک مشاهیری1؛ حسن درمانی کوهی* 2 | ||
| 1دانش آموخته کارشناسی ارشد تغذیه دام دانشگاه گیلان، رشت، ایران. | ||
| 2دانشیار گروه علوم دامی دانشگاه گیلان، رشت، ایران. | ||
| چکیده | ||
| این آزمایش به منظور بررسی اثر اندازه ذرات گندم و مکمل آنزیمی بر عملکرد، جمعیت میکروبی و اسیدیته ایلئوم و خصوصیات بستر بلدرچین ژاپنی به صورت آزمایش فاکتوریل 3×3 در قالب طرح کاملاً تصادفی با 9 تیمار، 4 تکرار و20 قطعه بلدرچین در هر تکرار، انجام شد. فاکتورهای آزمایشی شامل: سه اندازه ذرات گندم (2، 3 و 5/3 میلی‌متر) و سه سطح مکمل آنزیمی روابیو (صفر، 200 و 400 ppm) بودند. در کل دوره پرورش، پرندگان دریافت‌کننده گندم دارای ذرات 2 و3 میلی‌متر + مکمل آنزیمی 400 ppm خوراک مصرفی کمتری نسبت به تیمارهای با اندازه ذرات 5/3 میلی‌متر + مکمل آنزیمی 200 ppm و بدون مکمل آنزیمی داشتند (01/0p<). هم‌چنین، پرندگان دریافت‌کننده گندم دارای ذرات 2 و3 میلی‌متر + مکمل آنزیمی 400 ppm ضریب تبدیل خوراک بهتری را نسبت به پرندگان دریافت کننده گندم دارای ذرات 5/3 میلی‌متر و بدون مکمل آنزیمی داشتند (01/0p<). جمعیت باکتری‌های لاکتوباسیلوس در تیمار گندم با اندازه ذرات 2 میلی‌متر + مکمل آنزیمی 400 ppm نسبت به تیمار 5/3 میلی‌متر و بدون مکمل آنزیمی افزایش داشت. پرندگان تغذیه شده از جیره‌های با اندازه‌های ذرات گندم2 ، 3 و 5/3 میلی‌متر + 400 ppm مکمل آنزیمی pH بستر کمتری را نسبت به پرندگان تغذیه شده با گندم بدون مکمل آنزیمی داشتند (01/0>p). تیمار با اندازه ذرات گندم 2 میلی‌متر + 400 ppm مکمل آنزیمی درصد رطوبت بستر کمتری را نسبت به تیمارهای بدون مکمل آنزیمی + اندازه‌های گندم 3 و 5/3 میلی متر نشان دادند (01/0>p). | ||
| کلیدواژه‌ها | ||
| اندازه ذرات؛ بلدرچین های ژاپنی؛ جمعیت میکروبی؛ مکمل آنزیمی | ||
| عنوان مقاله [English] | ||
| Effect of enzyme supplementation and wheat particle size on performance, microbial population and small intestinal acidity and litter characteristics of Japanese quails | ||
| نویسندگان [English] | ||
| siamak mashahiri1؛ Hassan Darmani kuhi2 | ||
| 1University guilan | ||
| 2Guilan University | ||
| چکیده [English] | ||
| This experiment was conducted in order to investigate the effect of dietary enzyme supplementation (DES) and wheat particle size (WPZ) on growth, microbial population and intestinal acidity and litter characteristics of Japanese quails using a 3×3 factorial arrangement in a completely randomized design with nine treatments each replicated 4 times with 20 quails per replicate. The experimental factors included three WPZ [2, 3 and 3/5 mm] and three levels of DES [Rovabio enzyme at 0, 200 and 400 ppm]. Through the whole experimental period, groups of birds received diets with 2 and 3 mm WPZ+400 ppm of DES showed significantly reduced feed intake compared to the groups with 3.5 mm WPZ without and with 200 ppm DES (p<0.01). Birds received diets with 2 and 3 mm WPZ+400 ppm of DES also showed better feed conversion ratio than those fed with 3.5 mm WPZ without enzyme supplementation (p<0.01). Lactobacillus counts increased significantly in quails fed diets with 2 mm WPZ and 400 ppm of DES in comparison to 3.5 WPZ without enzyme supplementation group (p<0.01). Birds fed diets with 2, 3 and 3.5 mm WPZ+400 ppm of DES had lower litter pH than those fed wheat-based diets without enzyme supplementation (p<0.01). Treatment of 2 mm WPZ+400 ppm of DES showed less litter moisture than those with 3 and 3.5 mm WPZ without enzyme supplementation (p<0.01). In conclusion, dietary inclusion of wheat grain at 2 mm diameter particle size supplemented by 400 ppm enzyme is recommended. | ||
| کلیدواژه‌ها [English] | ||
| Particle size, Japanese Quails, Microbial population, Enzyme | ||
| مراجع | ||
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