畜牧兽医学报2018，Vol.49Issue(4)：746-753,8.DOI:10.11843/j.issn.0366-6964.2018.04.011
饲粮铜水平对育成期雄性水貂铜元素代谢和血清生化指标的影响
Effects of Dietary Copper Levels on Copper Metabolism and Serum Biochemical Indices in Late Growing Male Mink
摘要
Abstract
This experiment was conducted to study the effects of dietary copper levels on copper balance,serum trace element contents,serum lipid metabolism parameters and serum antioxidant indices in male mink.Eighty healthy (60±3) day-old male minks were randomly divided into 8 groups with 10 minks in each group.0(Control),4(Cu4),8(Cu8),16(Cu16),32(Cu32),64 (Cu64),128(Cu128)and 256 mg · kg-1 (Cu256)of copper levels were added in basic diet,respectively.The pre-test period lasted for 7 days,and the trial lasted for 45 days.On day 30 of the trail,eight animals from each treatment group were selected randomly to determine copper balance.Blood samples were collected from mink before sacrifice to measure the serum biochemical indices.The results showed that:1) Intake of copper,fecal copper,urinary copper,retention copper had a linear and quadratic (P＜0.01) increase with the increasing dietary copper level.2) There was a linear and quadratic (P＜0.01) effect of dietary copper level on plasma Cu concentrations.3)Serum TC (linear,quadratic,P＜0.01),TG (linear,P＜0.05;quadratic,P＜0.01) contents were decreased with the increasing dietary copper level.4)There was a quadratic (P＜0.01) effect of dietary copper level on plasma ceruloplasmin concentration and Cu-Zn superoxide dismutase activity.These results indicate that supplementing Cu in the diet can increase Cu retention and plasma Cu concentrations,but reduce serum TC and TG levels,and improve antioxidant enzyme activity.关键词
水貂/铜/血清生化指标/脂类代谢Key words
mink/copper/serum biochemical indices/lipid metabolism分类
农业科技引用本文复制引用
吴学壮,杨颖,刘汇涛,高秀华,杨福合,戴四发,邢秀梅..饲粮铜水平对育成期雄性水貂铜元素代谢和血清生化指标的影响[J].畜牧兽医学报,2018,49(4):746-753,8.基金项目
国家自然资源平台专项“特种经济动物种质资源共享平台”(2005DKA21102) （2005DKA21102）
安徽省自然科学基金(1708085QC74) （1708085QC74）
安徽科技学院高层次人才引进项目(DKYJ201701) （DKYJ201701）
农业部饲料生物技术重点实验室开放课题资助 （）
安徽科技学院重点学科建设项目(AKZDXK2015B03) （AKZDXK2015B03）
