动物营养学报2016，Vol.28Issue(10)：3248-3255,8.DOI:10.3969/j.issn.1006-267x.2016.10.028
不同饲粮蛋白质和脂肪水平对育成期雄性水貂生长性能及血清生化指标的影响
Effects of Different Dietary Protein and Fat Levels on Growth Performance and Serum Biochemical Parameters of Male Minks during Growing Period
摘要
Abstract
This experiment was conducted to evaluate the effects of different dietary protein and fat levels on growth performance and serum biochemical parameters of male minks during growing period. A total of 90 healthy male minks at the age of 60 days were randomly assigned into 6 groups with 15 replicates per group and 1 mink per replicate. The minks were fed 6 kinds of experimental diets with 2 protein levels ( 32% and 36%) and 3 fat levels ( 10%, 20% and 30%) . The adaptation period lasted for 7 days and the formal period lasted for 60 days. The results showed as follows: the final weight and average daily gain ( ADG) were significantly higher in low protein middle fat and low protein high fat groups than those in low protein low fat and high pro-tein low fat groups ( P<0.01) , and the final weight and ADG were increased with dietary fat level increasing which showed 20% and 30% fat level groups significantly higher than 10% fat level group ( P<0.01) . Feed/gain ( F/G) was the lowest in low protein high fat group, it was significantly lower than that in low protein low fat and high protein high fat groups ( P<0.05) . Serum urea nitrogen ( UN) in low protein high fat group was significantly lower than that in other groups (P<0.01). Serum alanine transaminase (ALT) activity in 32% protein level group was significantly higher than that in 36% protein level group (P<0.05). Serum tri-glyceride ( TG) content in low protein high fat and high protein high fat groups was significantly higher than that in low protein low fat and high protein low fat groups ( P<0.05) . Serum TG, total cholesterol ( TCHO) and high-density lipoprotein ( HDL) contents were increased with dietary fat level increase, and they were all highest in low protein high fat group. The growth performance and serum biochemical parameters of minks were not affected by the interaction between dietary protein and fat levels ( P>0.05) . Considering all the fac-tors, when the dietary protein is 32% and the fat level is 20% to 30% under the condition of this experiment, the dietary protein and fat utilization rates are higher, and the male minks during growing period can get a bet-ter growth performance.关键词
水貂/蛋白质/脂肪/生长性能/血清生化指标Key words
mink/protein/fat/growth performance/serum biochemical parameters分类
农业科技引用本文复制引用
张海华,张铁涛,刘晓颖,南韦肖,李光玉..不同饲粮蛋白质和脂肪水平对育成期雄性水貂生长性能及血清生化指标的影响[J].动物营养学报,2016,28(10):3248-3255,8.基金项目
吉林省科技厅基础处自然基金项目(20150101112JC) （20150101112JC）
中国农业科学院创新团队项目 （）
