贮藏期及贮藏温度对低温制粒颗粒料霉变的影响Effects of Storage Period and Temperature on Deterioration of Feed Pelleted at Low Temperature
金娉婷;张明花;曹美花;张秀海;赵善仓;盛清凯;
摘要(Abstract)：
为促进发酵饲料的应用,研究贮藏期(1、8、16、24 d)和贮藏温度(低温0～4℃、中温16～20℃和高温30～34℃)对猪用发酵饲料低温制粒颗粒料自由基、pH值、淀粉酶、霉菌及黄曲霉毒素等指标的影响。制粒温度48℃,颗粒料水分含量为12. 27%,用呼吸膜塑料袋厌氧贮藏。试验结果表明,贮藏期对过氧化氢、霉菌和黄曲霉毒素的含量及过氧化氢酶、淀粉酶活性无显著影响(P> 0. 05);贮藏温度对丙二醛含量、过氧化氢酶和淀粉酶活性及pH值有显著影响(P <0. 05),对霉菌和黄曲霉毒素含量无影响(P> 0. 05)。高温下贮藏24 d时霉菌和黄曲霉毒素的含量与贮藏1 d时无差别(P> 0. 05)。结果显示发酵饲料低温制粒颗粒料尽量避免高温贮藏,高温下贮藏期可以达到24 d。
关键词(KeyWords)： 低温制粒颗粒料;贮藏期;贮藏温度;自由基;霉变
基金项目(Foundation): 山东省重点研发计划项目(2018GNC113002);; 公益性行业(农业)科研专项(201403071-4);; 山东省农业科学院农业科技创新工程项目(CXGC2017B02)
作者(Author): 金娉婷;张明花;曹美花;张秀海;赵善仓;盛清凯;
Email:
DOI: 10.14083/j.issn.1001-4942.2018.12.025
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