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猪乳香味剂对断奶仔猪采食行为和采食量的影响

DOI: 10.3969/j.issn.1006-267x.2011.05.020

Keywords: 乳香,采食行为,采食量,仔猪

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Abstract:

为考察具有与猪母乳风味相同的乳味香味剂对断奶仔猪采食量和采食行为的影响,本研究采用自由选择法试验,让断奶仔猪自由选择对照饲粮和试验饲粮。对照饲粮为基础饲粮,试验饲粮在对照饲粮基础上添加400mg/kg猪乳香味剂,选择4头35日龄断奶的仔猪饲养于同一圈,分别在4个料盆中放置基础饲粮和试验饲粮,每天调整料盆位置,结算饲料消耗。试验期为4d,采用96h全程监控摄像记录仔猪的采食行为,计算采食次数、采食时间,并记录每天对照饲粮、试验饲粮的消耗量。结果显示,添加猪乳香味剂具有显著提高仔猪采食次数、采食时间和采食速度的作用,断奶仔猪平均每天的采食次数、采食时间和采食速度分别较对照组提高195%(P<0.01)、96%(P<0.05)、95%(P<0.05);与对照组相比,平均每天每次采食量和平均每天每次采食时间略有降低(P>0.05);与对照饲粮相比,仔猪对试验饲粮的平均日采食量提高181%(P>0.05)。由此可知,添加猪乳香味剂可提高断奶仔猪采食量,采食量的提高与采食次数、采食时间和采食速度的提高有关。

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