| 蛋白酶和植酸酶联合添加降低肉仔鸡氮磷排放的研究 |
| |
| 引用本文： | 万振环,袁建敏,呙于明,赵剑,王忠.蛋白酶和植酸酶联合添加降低肉仔鸡氮磷排放的研究[J].中国农业大学学报,2009,14(5). |
| |
| 作者姓名： | 万振环 袁建敏 呙于明 赵剑 王忠 |
| |
| 作者单位： | 1. 中国农业大学,动物科学技术学院/动物营养学国家重点实验室,北京,100193
2. 北京昕大洋科技发展有限公司,北京,100081 |
| |
| 基金项目： | 国家“十一五”科技支撑项目资助(2006BAD12B07) |
| |
| 摘 要： | 探讨不同酶制剂组合在低能、低氮蛋白、低磷日粮中对肉仔鸡生产性能和氮、磷排放的影响。选用288只1日龄爱拔益加父母代母系公雏,进行4种日粮处理:①按总氨基酸需要配制正常能量、粗蛋白质和总磷营养水平日粮(CK正),②按可消化氨基酸需要配制低能、低蛋白、低磷日粮(CK低),以及在CK低基础上分别添加③蛋白酶+植酸酶和④蛋白酶+淀粉酶+木聚糖酶+植酸酶共2种组合的酶制剂,测定了生产性能、氮、磷代谢等指标。结果表明:低营养水平日粮(CK低)导致肉仔鸡生产性能显著下降,添加2种酶制剂组合均能显著改善其生产性能和综合生产指数,达到正常营养水平日粮(CK正)的效果。2种酶制剂组合均显著降低粪便中磷、氮排放,其中以蛋白酶+植酸酶组合效果最好,按食入日粮计磷、氮排放分别比CK正降低26.06%和10.76%。结果说明,蛋白酶+植酸酶组合更有利于提高氮、磷利用率进而降低肉仔鸡粪便氮、磷的排放。
|
| 关 键 词： | 植酸酶 蛋白酶 肉仔鸡 生产性能 氮 磷 |
Research in decreasing nitrogen and phosphorus excretion by using phytase in combination with protease and compound enzyme in broiler diet |
| |
| WAN Zhen-huan,YUAN Jian-min,GUO Yu-ming,ZHAO Jian,WANG Zhong.Research in decreasing nitrogen and phosphorus excretion by using phytase in combination with protease and compound enzyme in broiler diet[J].Journal of China Agricultural University,2009,14(5). |
| |
| Authors: | WAN Zhen-huan YUAN Jian-min GUO Yu-ming ZHAO Jian WANG Zhong |
| |
| Institution: | WAN Zhen-huan1,YUAN Jian-min1,GUO Yu-ming1,ZHAO Jian2,WANG Zhong1(1.State Key Lab of Animal Nutrition/College of Animal Science , Technology,China Agricultural University,Beijing 100193,China,2.Beijing Smile Feed Sci.& Tech.Co.,Ltd,Beijing 100081,China) |
| |
| Abstract: | To investigate the additive effects of protease and phytase;or a combination of phytase,xylanase,protease,and amylase in the diets of broilers,a study was conducted using 288 1-day old chickens(4 treatments with 6 replicates).The birds were fed a corn-soybean-cotton diet that was formulated to be adequate nutrients according to total amino acid.A lower metabolizable energy,crude protein and P diets was formulated according to the digestible amino acid.The diet was supplemented with phytase and protease;or a... |
| |
| Keywords: | phytase protease broiler performance nitrogen phosphorus |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
