动物营养学报2017，Vol.29Issue(10)：3657-3665,9.DOI:10.3969/j.issn.1006-267x.2017.10.028
饲粮中添加绿狐尾藻对肥育猪生长性能、血清生化指标和胴体品质的影响
Effects of Dietary Myriophyllum elatinoides on Growth Performance, Serum Biochemical Indexes and Carcass Quality of Finishing Pigs
摘要
Abstract
This experiment was conducted to study the effects of dietary Myriophyllum elatinoides on growth performance, serum biochemical indexes and carcass quality of finishing pigs. Forty healthy "Duroc × Landrace×Yorkshire" hybrid pigs with initial weight of (50.20±2.18) kg were randomly divided into four groups with ten replicates per group and one pig per replicate according single factor complete randomized trial design. The pigs in group Ⅰ ( control group) were fed a basal diet, while the others in group Ⅱ, Ⅲ and Ⅳwere fed the basal diet supplemented with 5%, 10% and 15% Myriophyllum elatinoides. The experiment lasted for 60 days. The results showed as follows:1) compared with the control group, final weight, average daily gain and the ratio of feed to gain of finishing pigs in groups Ⅱ and Ⅲ had no significant differences ( P>0.05). Compared with the control group, final weight and average daily gain in groupⅣwere significantly de?creased ( P<0.05) , and the ratio of feed to gain in group Ⅳ was significantly increased ( P<0.05) . 2) There were no significant differences in the contents of total protein, urea nitrogen, total cholesterol, triglyceride, high density lipoprotein and low density lipoprotein and the activity of aspartate aminotransferase in serum of finishing pigs between all groups ( P>0.05) . The activity of alanine aminotransferase in serum in groupⅢand the content of albumin in serum in group Ⅳ were significantly lower than that in the control group ( P<0.05) . 3) There were no significant differences in carcass percentage, lean meat percentage, dressing percentage, car?cass oblique length, meat color, shear force and marbling score of finishing pigs between all groups ( P>0.05) . Compared with the control group, average backfat thickness in groups Ⅲ and Ⅳ and loin eye area in group Ⅳ were significantly decreased ( P<0.05) , and drip loss in group Ⅲ had a decrease trend ( P>0.05) , and pH45 min and pH24 h in groupsⅡandⅢhad an increase trend ( P>0.05) . In conclusion, dietary 10% Myri?ophyllum elatinoides has no significant effects on growth performance, can improve serum biochemical inde?xes, reduce average backfat thickness, decrease the speed of muscle pH, reduce drip loss and improve pork quality of finishing pigs.关键词
绿狐尾藻/肥育猪/生长性能/血清生化指标/胴体品质Key words
Myriophyllum elatinoides/finishing pigs/growth performance/serum biochemical indexes/car⁃cass quality分类
农业科技引用本文复制引用
吴飞,陈家顺,刘锋,李裕元,吴金水,肖润林,印遇龙,姚康..饲粮中添加绿狐尾藻对肥育猪生长性能、血清生化指标和胴体品质的影响[J].动物营养学报,2017,29(10):3657-3665,9.基金项目
湖南省"湖南省杰出青年基金"项目(2016JJ1015) （2016JJ1015）
国家自然科学基金面上项目(31472107) （31472107）
湖南省"湖湘青年科技创新人才"项目(2015RS4053) （2015RS4053）
中科院"百人计划"项目 （）
中科院重点部署项目( KFZD?SW?307) （ KFZD?SW?307）
湖南省战略性新兴产业重大成果转化项目(2015GK1014) （2015GK1014）
