动物营养学报2011，Vol.23Issue(9)：1483-1489,7.DOI:10.3969/j.issn.1006-267x.2011.09.005
生长猪菜籽饼粕消化能与能量消化率预测模型的研究
Prediction Models for Digestible Energy and Digestibility Coefficient of Energy of Rapeseed Meal for Growing Swine
摘要
Abstract
The relationships between chemical composition of rapeseed meal and digestible energy ( DE) or digestibility coefficient of energy (DCE) were investigated in order to establish relative prediction models for DE and DCE of rapeseed meal based on the chemical composition. A total of 12 crossbred barrows (Duroc × Landrace ×Large white) with an average initial body weight of (46. 37 ± 1. 53) kg were used in three 4×4 Latin square designs. The DE and DCE of 9 types of rapeseed meal were determined by total feces collection method and substitution method. The optimum prediction factors were selected to establish prediction equations for DE and DCE based on correlation relationship between DE or DCE and chemical composition including crude protein (CP) , ether extract (EE) , acid detergent fiber (ADF) , neutral detergent fiber (NDF) , crude fiber (CF), acid detergent lignin (ADL) , protein solubility (PS) , ash and gross energy (GE). The results showed that NDF was the best factor for predicting DCE, but ADF and NDF were the best factors for predic ting DE. The recommended prediction models for DE were DE = 16. 20 -0. 10 NDF (R2 =0. 63, RSD = 0.49, P <0. 05) and DE = 16.32 - 0. 15 ADF (R2 = 0. 63 , RSD = 0. 49, P < 0. 05). The recommended prediction models for DCE were DCE = 97. 27 - 0. 87 NDF (R2 = 0. 93, RSD = 1. 55, P < 0. 01) , DCE = 86. 61 -0.67 NDF + 0. 09 PS (R2 = 0.94, RSD = 1. 56, P < 0. 01). In conclusion, the prediction equation for DCE of rapeseed meals by chemical analysis had higher correlation index and fitting degree compared with the prediction equation for DE.关键词
菜籽饼粕/消化能/能量消化率/预测方程/生长猪Key words
rapeseed meal/ digestible energy/ digestibility coefficient of energy/ prediction equation/ growing swine分类
农业科技引用本文复制引用
李明,陈代文,毛湘冰,陈洪,毛倩,余冰..生长猪菜籽饼粕消化能与能量消化率预测模型的研究[J].动物营养学报,2011,23(9):1483-1489,7.基金项目
农业部公益性行业专项饲料营养价值与畜禽饲养标准研究与应用(20090300608) （20090300608）
