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مقالات فارسیISIکنفرانسهاژورنالها

Ileal Digestibility of Phosphorus in Plant Origin Feedstuffs Fed for Broiler Chickens: The Effect of Microbial Phytase

محل انتشار: مجله علوم طیور، دوره: 8، شماره: 2
سال انتشار: 1399
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 184

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https://civilica.com/doc/1185917

شناسه ملی سند علمی:

JR_PSJG-8-2_008

تاریخ نمایه سازی: 6 اردیبهشت 1400

چکیده مقاله:

The study was conducted to determine the apparent and standardized ileal digestibility (AID and SID) of phosphorus (P) in plant origin feedstuffs of corn distiller’s dried grains with solubles (corn DDGS), wheat bran (WB), wheat grain (WG), wheat middling (WM),soybean meal (SBM), canola meal (CNM), cottonseed meal (CSM), and peanut meal (PM), fed to total ۶۱۲ male arbor acres broilers with or without microbial phytase. A ۲۳ day-old birds with initial body weight (BW) of  ۹۳۹±۸.۸۹g were randomly allocated to a factorial ۲ × ۸ arrangement with a randomized complete block design of sixteen dietary treatments and one P-free diet, with six replicates (cage) and six birds/cage. A purified phosphorus-free (P-free) diet was also prepared to determined endogenous P loss (EPL). The ileal digesta were collected from euthanized birds and analyzed. The study results indicated that the SID of P in WB (۳۸.۴۶%), PM (۳۷.۹۸%), WG (۳۶.۹۰%), and WM (۳۵.۶۹%) was significantly lower (P < ۰.۰۰۱) than SBM (۵۲.۰۱%), corn DDGS (۴۹.۴۱%), CNM (۴۷.۰۲%), and CSM (۴۶.۰۹%) based diets. The Addition of microbial phytase to SBM and WM improved the SID of P by more than ۴۰%, while the others improved by about ۳۴.۸۰%, which is from ۳۱.۵۵% in CNM to ۳۷.۷۷% in CSM. The least improvement was recorded in corn DDGS (۵.۱۲%). The feedstuffs ileal digestible P equivalent value of ۱۰۰۰ FTU/kg phytase was ranged from ۰.۲g to ۱.۶g. The ileal EPL of the current study was determined to be ۴۶.۲۸ mg/kg DMI. In conclusion, the application of microbial phytase and formulation of plant origin broiler diets based on SID of P can reasonably help to utilize phosphorus resources for reducing feed costs and minimize environmental pollution.

کلیدواژه ها:

Broiler ، Phytase ، Feedstuff ، Phosphorus ، digestibility

نویسندگان

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Non-Ruminant Research Directorate, Tigray Agricultural Research Institute, Mekelle, Ethiopia.

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences,۱۲ Zhongguancun South Street, Haidian District, Beijing, China.

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences,۱۲ Zhongguancun South Street, Haidian District, Beijing, China.

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences,۱۲ Zhongguancun South Street, Haidian District, Beijing, China.

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences,۱۲ Zhongguancun South Street, Haidian District, Beijing, China.

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences,۱۲ Zhongguancun South Street, Haidian District, Beijing, China.

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences,۱۲ Zhongguancun South Street, Haidian District, Beijing, China.

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences,۱۲ Zhongguancun South Street, Haidian District, Beijing, China.

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