饲粮离子平衡对断奶仔猪生长性能和养分消化率的影响  

Dietary Electrolyte Balance on Growth Performance and Nutrient Digestibility in Weaning Pigs

作　　者：敖翔[1] 朱丽萍 蔡世林 周建川[1] AO Xiang;ZHU Liping;CAI Shilin;ZHOU Jianchuan(Fengguangde Lab,Techlex Group,Mianyang 621006,China)

机构地区：[1]四川铁骑力士集团冯光德实验室,四川绵阳621006

出　　处：《养猪》2021年第3期17-19,共3页Swine Production

基　　金：四川省2020年度科技计划项目(省院省校合作项目)—生猪智慧养殖关键技术集成研究与应用(2020YFSY0051)。

摘　　要：为研究饲粮离子平衡对断奶仔猪生长性能和养分消化率的影响,试验选择体重(6.4±0.20)kg的400头健康杜长大三元杂种断奶仔猪,按体重相近原则随机分为4组:对照组饲喂饲粮离子平衡(dEB)为0 mEq/kg饲粮,T1组饲喂饲粮离子平衡(dEB)为80 mEq/kg饲粮,T2组饲喂饲粮离子平衡(dEB)为160 mEq/kg饲粮,T3组饲喂饲粮离子平衡(dEB)为240 mEq/kg饲粮。每组5个重复,每个重复20头断奶仔猪,公母各半。试验期42 d。结果表明:1)各组间平均日增重、平均日采食量和料重比无显著差异(P>0.05),T2组的末重显著高于对照组(P<0.05);2)T1组、T2组和T3组的干物质和氮的表观消化率显著高于对照组(P<0.05)。试验结果表明在该试验条件下,饲粮离子平衡为160 mEq/kg饲粮提高了断奶仔猪的末重和表观养分消化率。This study was conducted to determine the effects of dietary electrolyte balance on growth performance and nutrient digestibility in weaning pigs.A total of 400 healthy DLY weaning pigs(6.4±0.20)kg was randomly divided into 4 treatments based on sex and initial body weight.Dietary treatments were as follows:1)CON,dEB 0 mEq/kg;2)T1,dEB 80 mEq/kg;3)T2,dEB 160 mEq/kg;4)T3,dEB 240 mEq/kg.There were 5 replications per treatment with 20 pigs per replication.The experiment lasted 42 days.The results showed:1)there was no difference in ADG,ADFI or F/G(P>0.05),while the final BW in T2 was higher than that in CON(P<0.05);2)the apparent digestibility of dry matter and nitrogen was improved compared with CON(P<0.05).Taken together,160 mEq/kg dEB improved final BW and nutrient digestibility in weaning pigs.

关 键 词：断奶仔猪 饲粮离子平衡 生长性能 养分消化率 

分 类 号：S816.7[农业科学—饲料科学]