机构地区:[1]武汉轻工大学农产品加工与转化湖北省重点实验室,湖北武汉430023 [2]武汉家家乐饲料股份有限公司,湖北武汉430200 [3]安琪酵母股份有限公司,湖北宜昌430040 [4]广西扬翔农牧有限责任公司,广西贵港537100
出 处:《中国饲料》2025年第5期199-204,共6页China Feed
基 金:湖北省重点研发计划项目(2023BBB087)。
摘 要:本试验旨在探讨菌酶协同固态发酵对菜籽粕营养价值的影响,并以发酵菜籽粕代替37.5%的豆粕,评估其对育肥猪生长性能和猪肉品质的影响。发酵试验结果表明,发酵可提高菜籽粕的营养价值、降低其抗营养因子,发酵菜籽粕的粗蛋白质和小肽含量增加,粗纤维、单宁、硫苷和芥酸含量降低。生长试验选取3组育肥猪进行,每组4个重复,每个重复25头猪,其中对照组Ⅰ为普通玉米-豆粕型日粮,对照组Ⅱ为普通菜籽粕替代37.5%豆粕的日粮,试验组为用发酵菜籽粕替代37.5%豆粕的日粮。结果表明:相较于对照组Ⅰ和对照组Ⅱ,试验组采食量和增重率显著提高(P<0.05),料肉比降低(P>0.05)。试验组与对照组Ⅰ相比肉色评分无显著差异(P>0.05),但对照组Ⅱ肉色评分较高(4.36),显著高于对照组Ⅰ和试验组(P<0.05);试验组系水力显著高于对照组Ⅱ(P<0.05),与对照组Ⅰ无显著差异(P>0.05);试验组前胛肉脂肪显著高于对照组Ⅰ和对照组Ⅱ(P<0.05);后腿肉脂肪显著高于对照组Ⅱ(P<0.05),而与对照组Ⅰ无显著差异(P>0.05);试验组大理石纹评分显著高于对照组Ⅱ(P<0.05),但显著低于对照组Ⅰ(P<0.05)。综上所述,菜籽粕经菌酶协同固态发酵后,可以降低菜籽粕中的抗营养因子,提高其营养价值。在育肥猪饲料中使用发酵菜籽粕替代37.5%的豆粕,相比直接使用普通菜籽粕替代,其生长性能和猪肉品质都得到了显著提高和改善,而与豆粕组相比,并无显著差异。This experiment explored the impact of solid-state fermentation of rapeseed meal(RSM)with microbial enzymes on its nutritional,and evaluated its effects on the growth performance and meat quality of fattening pigs by replacing 37.5%of soybean meal(SBM)with fermented RSM.The fermentation experiment results showed that fermentation could improve the nutritional value of RSM and reduce its anti-nutritional factors.The crude protein and small peptide of fermented RSM increased,while the crude fiber content decreased.The contents of tannin,glucosinolate,and erucic acid were also decreased.The growth experiment was conducted with three groups of fattening pigs,each with 4 replicates and 25 pigs per replicate.The control group I fed a conventional corn-SBM diet,the control group II was fed a diet with 37.5%of SBM replaced by conventional RSM,and the experimental group was fed a diet with 37.5%of SBM replaced by fermented RSM.The results showed that compared with the control groups I and II,the experimental group had significantly increased feed intake and growth rate(P<0.05),and reduced feed-to-gain ratio(P>0.05).There was no significant difference in meat color score between the experimental group and the control group I(P>0.05),but the meat color score of control group II was significantly higher(4.36)than that of the control group I and the experimental group(P<0.05).The-holding capacity of the experimental group was significantly higher than that of the control group II(P<0.05),but not significantly different from the control I(P>0.05).The subcutaneous fat thickness of the experimental group was higher than that of the control groups I and II(P<0.05).The intramuscular fat content of the experimental group was significantly higher than that of the control group II(P<0.05),but not significantly different from the control group I(P>0.05).The marbling score of the experimental group was significantly higher than that of the group II(P<0.05),but significantly lower than that of the control group I(P<0.05).In conclusion,s
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...