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Interobserver reliability of the ‘Welfare Quality® Animal Welfare Assessment Protocol for Growing Pigs’

机译:成年猪的福利质量®动物福利评估协议的观察者间可靠性

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摘要

The present paper focuses on evaluating the interobserver reliability of the ‘Welfare Quality® Animal Welfare Assessment Protocol for Growing Pigs’. The protocol for growing pigs mainly consists of a Qualitative Behaviour Assessment (QBA), direct behaviour observations (BO) carried out by instantaneous scan sampling and checks for different individual parameters (IP), e.g. presence of tail biting, wounds and bursitis. Three trained observers collected the data by performing 29 combined assessments, which were done at the same time and on the same animals; but they were carried out completely independent of each other. The findings were compared by the calculation of Spearman Rank Correlation Coefficients (RS), Intraclass Correlation Coefficients (ICC), Smallest Detectable Changes (SDC) and Limits of Agreements (LoA). There was no agreement found concerning the adjectives belonging to the QBA (e.g. active: RS: 0.50, ICC: 0.30, SDC: 0.38, LoA: −0.05 to 0.45; fearful: RS: 0.06, ICC: 0.0, SDC: 0.26, LoA: −0.20 to 0.30). In contrast, the BO showed good agreement (e.g. social behaviour: RS: 0.45, ICC: 0.50, SDC: 0.09, LoA: −0.09 to 0.03 use of enrichment material: RS: 0.75, ICC: 0.68, SDC: 0.06, LoA: −0.03 to 0.03). Overall, observers agreed well in the IP, e.g. tail biting (RS: 0.52, ICC: 0.88; SDC: 0.05, LoA: −0.01 to 0.02) and wounds (RS: 0.43, ICC: 0.59, SDC: 0.10, LoA: −0.09 to 0.10). The parameter bursitis showed great differences (RS: 0.10, ICC: 0.0, SDC: 0.35, LoA: −0.37 to 0.40), which can be explained by difficulties in the assessment when the animals moved around quickly or their legs were soiled. In conclusion, the interobserver reliability was good in the BO and most IP, but not for the parameter bursitis and the QBA.
机译:本文的重点是评估“成年猪福利质量®动物福利评估协议”在观察者之间的可靠性。生长猪的协议主要包括定性行为评估(QBA),通过瞬时扫描采样执行的直接行为观察(BO)以及检查不同的单个参数(IP),例如存在咬人尾巴,伤口和滑囊炎。 3名训练有素的观察员通过对29只动物同时进行评估并收集了它们的数据来收集数据。但是它们完全彼此独立地进行。通过计算Spearman等级相关系数(RS),类内相关系数(ICC),最小可检测变化(SDC)和协议限制(LoA)对发现进行了比较。没有找到关于属于QBA的形容词的协议(例如,活跃的:RS:0.50,ICC:0.30,SDC:0.38,LoA:-0.05至0.45;恐惧的:RS:0.06,ICC:0.0,SDC:0.26,LoA :-0.20至0.30)。相比之下,BO表现出良好的一致性(例如,社交行为:RS:0.45,ICC:0.50,SDC:0.09,LoA:-0.09至0.03使用浓缩材料:RS:0.75,ICC:0.68,SDC:0.06,LoA: -0.03至0.03)。总体而言,观察员在知识产权方面表示同意,例如咬伤(RS:0.52,ICC:0.88; SDC:0.05,LoA:-0.01至0.02)和伤口(RS:0.43,ICC:0.59,SDC:0.10,LoA:-0.09至0.10)。滑囊炎参数显示出很大差异(RS:0.10,ICC:0.0,SDC:0.35,LoA:-0.37至0.40),这可以用动物快速移动或腿被弄脏时的评估困难来解释。总之,在BO和大多数IP中,观察者间的可靠性都很好,但对于参数滑囊炎和QBA则没有。

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