A novel approach to systematically compare behavioural patterns between and within groups of horses

Ellis, A. D.; Stephenson, Melissa; Preece, Michaela; Harris, Pat

doi:10.1016/j.applanim.2014.09.017

Cited by 20 publications

(16 citation statements)

References 51 publications

(84 reference statements)

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“…During these times, data on exhibited behaviors, heart rate, and salivary cortisol levels were collected. Their observations showed differences in behaviors between the excitable and calm groups of horses during feed time, turn out, and riding times (Ellis et al, 2014). A similar study by Rietmann and associates (2004) looked at a select group of behavioral parameters and heart rate within a group of warmbloods during a riding exercise test.…”

Section: Riding Behaviors In Horsesmentioning

confidence: 89%

“…This camera was set at a wide view of the whole arena and recorded the entirety of each riding trial. An exclusive ethogram of riding behaviors (Table 3.1) and a riding willingness scale (Table 3.2) was created based off of previously published data (Ellis et al, 2014;Rietmann et al, 2004). Each video was evaluated in triplicate using the willingness scale and any designated behaviors tallied as seen.…”

Section: Chapter Three Materials and Methodsmentioning

confidence: 99%

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Effects of rider experience level on horse kinematics and behavior

Strunk

Vernon

Bridges

et al. 2017

Journal of Equine Veterinary Science

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Section: Riding Behaviors In Horsesmentioning

confidence: 89%

Section: Chapter Three Materials and Methodsmentioning

confidence: 99%

Effects of rider experience level on horse kinematics and behavior

Strunk

Vernon

Bridges

et al. 2017

Journal of Equine Veterinary Science

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“…Os hormônios afetam o comportamento e o comportamento retroalimenta negativa ou positivamente os hormônios (Budzynska 2014). Diversos estudos têm utilizado os níveis de cortisol para avaliar os níveis de estresse de animais (Irvine & Alexander 1994, Leal et al 2011, Budzynska 2014, Ellis et al 2014, Gontijo et al 2014. Para tal é importante considerar as flutuações normais dos níveis de cortisol durante o dia.…”

Section: Introductionunclassified

Bem-estar em equinos do Jockey Club do Paraná: indicadores clínicos, etológicos e ritmo circadiano do cortisol

et al. 2018

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RESUMO: Com o objetivo de estudar parâmetros indicativos de bem-estar, 30 equinos de corrida foram avaliados quanto ao temperamento, comportamento, parâmetros clínicos (condição geral, escoriações, escore corporal, cólicas no último ano, frequências cardíaca e respiratória) e níveis de cortisol plasmático (matutino, vespertino e ritmo circadiano). Todos os animais apresentaram boas condições físicas gerais, parâmetros clínicos normais para a espécie e não tiveram cólica no ano anterior ao estudo, demonstrando a preocupação dos tratadores com a saúde física dos animais. Contudo, 36,7% dos animais estudados apresentavam estereotipias. Apesar da alta incidência de indivíduos com ritmo circadiano do cortisol (RCC) alterado dentro do grupo de animais com comportamentos anormais (63,64%), não foi encontrada diferença estatística (P>0,05) quando comparado com a incidência do grupo de animais sem estereotipia (31,58%). Quatro animais com estereotipia portavam dispositivos para restringir a expressão de anomalias. Desses, todos apresentaram RCC alterado, permitindo demonstrar que equinos restringidos fisicamente de realizar sua estereotipia apresentam 18 vezes mais chances de ter alteração no RCC do que um animal de comportamento normal. Conclui-se que os equinos do Jockey Club do Paraná, apesar de apresentarem condições físicas satisfatórias comparados a estudos nacionais anteriores, possuíam alterações comportamentais e de função adrenocortical compatíveis com estresse crônico. Os achados também corroboram noções prévias de que a estereotipia é uma forma de tentar aliviar o estresse crônico em equinos, e que o uso de meios físicos para restringir sua manifestação aumenta a chance de distúrbios no metabolismo do cortisol.

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“…These studies have used a variety of experimental techniques, such as arena tests, in which the horse is loose in a familiar environment [6]; the open field tests, in which the horse is loose in an unfamiliar environment [2]; the novel object tests in which the horse is presented a new static or moving object [10]; tests that assess the presence of a passive or active human [8]; the bridge test, which consists of a manipulator leading the animal in an unknown surface [11]; reactivity test performed during the evaluation of the conformation of the horse [12,13], and reactivity assessed in situations as feeding, riding, and turning out [14].…”

Section: Introductionmentioning

confidence: 99%

Proposal and Validation of a Scale of Composite Measure Reactivity Score to Characterize the Reactivity in Horses During Handling

Calviello

Titto

Infante

et al. 2016

Journal of Equine Veterinary Science

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a b s t r a c tThis study aimed to identify the parameters related to the expression of the reactivity in horses during handling and based on that proposed and validated a scale of composite measure reactivity score to characterize horse's reactivity. To this end, the first stage (S1) proposed the scale and the second (S2) validated it. In S1, 364 Lusitano horses were evaluated, 188 were adult breeding mares (4-12 years old), and 176 were foals (males/ females, aged from 2 months to 2 years). During hooves trimming, vermifuge application, palpation scores were assigned to behaviors of movement, ears and eyes position, breathing, vocalization, and urination. A response parameter called reactivity was attributed to each animal, ranging from score 1 (nonreactive/calm) to score 4 (very reactive/ aggressive). The verification of the possible parameters (age, behavior), which explains the response parameter (reactivity), was taken using ordinal proportional odds model. Movement, breathing, ears and eyes position, vocalization, and age appear to explain the reactivity of horses during handling (P < .01). Therefore, based on these parameters, it was possible to propose two scales of composite measure reactivity score: one to characterize the mares and another the foals. On S2, the proposed scale was validated by the simultaneous application of Forced Human Approach Test, another commonly used test to evaluate the reactivity in horses, with a correlation of 0.97 (P < .05). The assessment of the reactivity of horses during handling by a composite measure reactivity score scale is valid, and easy to apply, without disrupting daily routine and override the impact of individual differences.

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A novel approach to systematically compare behavioural patterns between and within groups of horses

Cited by 20 publications

References 51 publications

Effects of rider experience level on horse kinematics and behavior

Effects of rider experience level on horse kinematics and behavior

Bem-estar em equinos do Jockey Club do Paraná: indicadores clínicos, etológicos e ritmo circadiano do cortisol

Proposal and Validation of a Scale of Composite Measure Reactivity Score to Characterize the Reactivity in Horses During Handling

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