山东农业科学2024,Vol.56Issue(7) :160-164.DOI:10.14083/j.issn.1001-4942.2024.07.021

青贮果穗玉米对生长育肥猪生长性能和猪肉品质的影响

Effects of Ear Corn Silage on Growth Performance and Pork Quality of Growing-Finishing Pigs

郝倩 蔺海朝 王诚 王怀中 呼红梅 王彦平 郝丽红
山东农业科学2024,Vol.56Issue(7) :160-164.DOI:10.14083/j.issn.1001-4942.2024.07.021

青贮果穗玉米对生长育肥猪生长性能和猪肉品质的影响

Effects of Ear Corn Silage on Growth Performance and Pork Quality of Growing-Finishing Pigs

郝倩 1蔺海朝 2王诚 2王怀中 2呼红梅 2王彦平 2郝丽红2
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作者信息

  • 1. 山东农业大学食品科学与工程学院,山东 泰安 271018
  • 2. 山东省农业科学院畜牧兽医研究所/农业农村部畜禽生物组学重点实验室/山东省畜禽疫病防治与繁育重点实验室,山东 济南 250100
  • 折叠

摘要

为研究饲粮中添加青贮果穗玉米对生长育肥猪生长性能、胴体性状及肌肉品质的影响,本试验以192 头日龄相近,初始体重为(36.82±1.50)kg的"杜×长×大"商品猪为研究对象,随机分为对照组和试验组(Ⅰ、Ⅱ、Ⅲ),每组4 个重复.对照组饲喂基础饲粮,试验组在生长阶段(54 d)分别饲喂含15%、30%和45%青贮果穗玉米的试验饲粮,育肥阶段(62 d)分别饲喂含23%、46%和69%青贮果穗玉米的试验饲粮.结果表明,青贮果穗玉米饲粮对生长育肥猪胴体性状和肌肉品质各项指标无显著影响.对照、试验Ⅲ组全期平均日增重显著低于试验Ⅰ组(P<0.05),其他生长性能指标无显著影响.试验Ⅲ组肌肉亚油酸含量较对照组显著增加36.22%(P<0.05),粗脂肪含量较对照组和试验Ⅰ组显著降低(P<0.05).综上可知,猪生长、育肥阶段饲粮适宜的青贮果穗玉米含量比例分别为 15%~30%和 23%~46%,可为其在生长育肥猪上的推广应用提供数据支撑.

Abstract

To investigate the effects of dietary ear corn silage on growth performance,carcass traits and meat quality of growing-finishing pigs,192 Duroc×Landrace×Yorkshire commercial pigs with similar age and 36.82±1.50 kg of initial body weight were randomly divided into control group and experimental groups(Ⅰ,Ⅱ,Ⅲ)with 4 replicates per group.The control group was fed with the basic feed,while the experimental groups were fed with three kinds of experimental feed containing 15%,30%and 45%ear corn silage respec-tively during the growth stage(54 days),and three kinds of experimental feed containing 23%,46%and 69%ear corn silage respectively during the finishing stage(62 days).The results showed that ear corn silage diet had no significant effects on carcass traits and muscle quality of growing-finishing pigs.The average daily gain of the control group and group Ⅲ during the entire period were significantly lower than that of group Ⅰ(P<0.05),and the other growth performance indexes had no significant differences.Compared with control group,the muscle linoleic acid content in group Ⅲ was significantly increased by 36.22%(P<0.05),and the crude fat content was significantly lower than that of control group and group Ⅰ(P<0.05).In conclusion,the appropriate ear corn silage content at growth and finishing stages were 15%~30%and 23%~46%,respective-ly,which could provide data support for its promotion and application in growing-finishing pigs.

关键词

生长育肥猪/青贮果穗玉米/生长性能/胴体性状/猪肉品质

Key words

Growing-finishing pigs/Ear corn silage/Growth performance/Carcass traits/Pork quality

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基金项目

山东省自然科学基金项目(ZR2022QC231)

山东省农业科学院农业科技创新工程项目(CXGC2023F10)

山东省农业科学院畜牧兽医研究所揭榜科技难题项目(JB2022-04)

山东省现代农业产业技术体系牧草体系项目(SDAIT-23-07)

出版年

2024
山东农业科学
山东省农业科学院,山东农学会,山东农业大学

山东农业科学

CSTPCD北大核心
影响因子:0.578
ISSN:1001-4942
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