Evaluation of Available Energy and Standardized Ileal Digestibility of Amino Acids in Fermented Flaxseed Meal for Growing Pigs

被引:5
作者
Wei, Zixi [1 ,2 ]
Xu, Lei [1 ]
Guo, Yao [1 ]
Guo, Baozhu [3 ]
Lu, Chunxiang [3 ]
Sun, Wenjuan [1 ]
Li, Yanpin [1 ]
Jiang, Xianren [1 ]
Li, Xilong [1 ,3 ]
Pi, Yu [1 ]
机构
[1] Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Inst Feed Res, Key Lab Feed Biotechnol, Beijing 100081, Peoples R China
[2] Univ Liege, TERRA Teaching & Res Ctr, Precis Livestock & Nutr Unit, Gembloux Agrobio Tech, B-5030 Gembloux, Belgium
[3] Zhangjiakou Anim Husb Technol Extens Stn, Zhangjiakou 075000, Peoples R China
基金
中国国家自然科学基金;
关键词
fermented flaxseed meal; digestion and metabolism; digestible energy; metabolic energy; standardized ileal digestibility of amino acids; growing pig; TOTAL TRACT DIGESTIBILITY; GROWTH-PERFORMANCE; SOYBEAN-MEAL; BACILLUS-SUBTILIS; DIETARY FIBER; NUTRIENTS; FEED; PHOSPHORUS; QUALITY;
D O I
10.3390/ani14020228
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Flaxseed meal (FSM) is a byproduct of flaxseed oil extraction which has rich nutritional value and can be used as a high-quality new protein ingredient. However, the anti-nutrient factor (ANF) in FSM restricts its potential application in feed. The strategy of microbial fermentation is a highly effective approach to reducing ANF in FSM and enhancing its feeding value. However, evaluation of the nutritional value of fermented flaxseed meal (FFSM) in growing pigs has not yet been conducted. Thus, the purpose of this study was to investigate the nutritional value of FFSM in growing pigs and comparison of the effect of fermentation treatment on improving the nutritional value of FSM. Two experiments were conducted to determine the available energy value, apparent digestibility of nutrients, and standard ileal digestibility of amino acids of FSM and FFSM in growing pigs. The results showed as follows: (1) Fermentation treatment increased the levels of crude protein (CP), Ca and P in FSM by 2.86%, 9.54% and 4.56%, while decreasing the concentration of neutral detergent fiber (NDF) and acid detergent fiber (ADF) by 34.09% and 12.71%, respectively (p < 0.05); The degradation rate of CGs in FSM was 54.09% (p < 0.05); (2) The digestible energy (DE) and metabolic energy (ME) of FSM and FFSM were 14.54 MJ/kg, 16.68 MJ/kg and 12.85 MJ/kg, 15.24 MJ/kg, respectively; (3) Compared with FSM, dietary FFSM supplementation significantly increased the apparent digestibility of CP, NDF, ADF, Ca, and P of growing pigs (p < 0.05) and significantly increased the standard ileal digestibility of methionine (p < 0.05). These results indicate that fermentation treatment could effectively enhance the nutritional value of FSM and provide basic theoretical data for the application of FFSM in pig production.
引用
收藏
页数:12
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