کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8491207 | 1552367 | 2016 | 39 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Comparative performance of broiler chickens offered ten equivalent diets based on three grain sorghum varieties as determined by response surface mixture design
ترجمه فارسی عنوان
عملکرد مقایسه ای جوجه های گوشتی 10 رژیم معادل بر اساس سه نوع دانه سورگوم ارائه شده به وسیله طراحی مخلوط سطحی
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کلمات کلیدی
AIAFCRAMEAMEnnitrogen-corrected apparent metabolisable energy - انرژی قابل متابولیسم آشکار شده توسط نیتروژنapparent metabolisable energy - انرژی قابل متابولیسم ظاهریKafirin - ترسناکBroiler - جوجه گوشتیAcid insoluble ash - خاکستر نامحلول اسیدSorghum - سورگوم Response surface design - طراحی سطح پاسخPhosphorus - فسفرfeed conversion ratio - نسبت تبدیل خوراکNitrogen - نیتروژنnegative control - کنترل منفی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم دامی و جانورشناسی
چکیده انگلیسی
Ten nutritionally-equivalent diets containing 620Â g/kg grain sorghum, based on seven blends and three varieties (Block I, HP, Liberty), were offered to a total of 360 male Ross 308 chicks from 7 to 28Â days post-hatch. The effects of dietary treatments on growth performance, nutrient utilisation, starch and protein (Nitrogen) digestibility coefficients, disappearance rates and starch:protein disappearance rate ratios in the distal jejunum and distal ileum were determined. On the basis of response surface contour plots, the optimal weight gain of 1439Â g/bird would be generated by a 79.2-20.8 blend of HP and Liberty and the optimal feed conversion ratio (FCR) of 1.486 by a 55.6-44.4 HP-Liberty blend. Similarly, the optimal nitrogen-corrected apparent metabolisable energy (AMEn) of 12.38Â MJ would be generated by a 32.0-68.0 blend of HP and Liberty and the optimal apparent metabolisable energy to gross energy (AME:GE) ratio of 0.845 by a 31.1-68.9 HP-Liberty blend. Thus Block I sorghum was effectively rejected. Instructively, Block I contained higher concentrations of kafirin, phenolic compounds and phytate than the two other sorghum varieties. Across the ten diets, sorghum concentrations of these three factors were negatively correlated with AME:GE ratios or efficiency of energy utilisation. These negative linear regressions indicate that all three factors may be contributing to sub-standard starch/energy utilisation in broiler chicks offered sorghum-based diets.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Animal Feed Science and Technology - Volume 218, August 2016, Pages 70-83
Journal: Animal Feed Science and Technology - Volume 218, August 2016, Pages 70-83
نویسندگان
S.Y. Liu, H.H. Truong, A. Khoddami, A.F. Moss, P.C. Thomson, T.H. Roberts, P.H Selle,