奶山羊的躺卧行为：通过加速度计技术评估的新型自动饲喂系统的影响,Animals

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奶山羊的躺卧行为：通过加速度计技术评估的新型自动饲喂系统的影响
Animals ( IF 2.7 ) Pub Date : 2021-08-11 , DOI: 10.3390/ani11082370
Ines Maurmann ₁ , Bianca A E Greiner ₂ , Stanislaus von Korn ₂ , Maren Bernau ₁

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本研究的目的是在安装优化的自动集中饲养系统 (AFS) 之前和之后评估奶山羊的躺卧行为。使用了混合角的 Bunte Deutsche Edelziege。由于山羊之间的许多激动相互作用发生在饲养场所，因此安装了新的自动饲养系统以更好地满足角山羊的需求。说谎行为是确定反刍动物动物福利的指标。为了测量躺卧行为，使用加速度计技术并通过视频分析进行验证。通过将加速度计与视频数据进行比较，结果显示每个躺卧时间的一致性为 99.62-99.93%。在所有山羊中，平均 ± SD 躺卧时间 (LT) 为 11.78 ± 1.47 小时/天，平均 ± SD 躺卧持续时间 (LBD) 为 0.51 ± 0.10 小时/次，平均 ± SD 躺卧频率 (FLB)发现了 24.35 ± 5.57。说谎行为遵循季节性进展，夏季显着最低 LBD 和最高 FLB。使用旧的 AFS，在有角山羊和无角山羊之间检测到 LBD 和 FLB 的显着差异，但使用新的 AFS 结果进行了调整。研究结果表明，饲养管理的变化不会影响躺卧行为的一般季节性进展，但会影响有角和无角奶山羊之间的行为差异。

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Lying Behaviour in Dairy Goats: Effects of a New Automated Feeding System Assessed by Accelerometer Technology

The aim of this study was to evaluate lying behaviour in dairy goats before and after installation of an optimized automatic concentrated feeding system (AFS). A mixed-horned herd of Bunte Deutsche Edelziege was used. As many agonistic interactions between goats happen at the feeding place, a new automated feeding system was installed to better fulfil the needs of horned goats. Lying behaviour is an indicator to ascertain animal welfare of ruminants. In order to measure lying behaviour accelerometer technology was used and verified by video analyses. The results show an agreement of 99.62–99.93% per lying time by comparing accelerometers to video data. Over all goats, a mean ± SD lying time (LT) of 11.78 ± 1.47 h/d, a mean ± SD lying bout duration (LBD) of 0.51 ± 0.10 h/bout and a mean ± SD frequency of lying bouts (FLB) of 24.35 ± 5.57 were found. Lying behaviour follows a seasonal progression with significant lowest LBD and highest FLB in summer. With the old AFS significant differences in LBD and FLB were detected between horned and hornless goats, but with the new AFS results were adjusted. Findings suggest that changes in feeding management do not affect the general seasonal progression of lying behaviour but can affect the behavioural differences between horned and hornless dairy goats.

更新日期：2021-08-11

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