From Genes to Animal Behavior

Inoue‐Murayama, Miho; Kawamura, Shoji; Weiß, Alexander

doi:10.1007/978-4-431-53892-9

Cited by 12 publications

(1 citation statement)

References 605 publications

(864 reference statements)

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“…There are many potential challenges that cause stress such as artificial lighting, loud noises, arousing odours, uncomfortable temperatures, confined spaces, restricted movement, and forced proximity to humans and other animals . However, an individual's response to such stressors can also be affected by individual differences such as personality, and how well the individual copes within its environment (Biro and Stamps, 2008;Koski, 2011). Personality can have implications on the behaviour and coping ability of an animal (Ijichi et al, 2013a(Ijichi et al, , 2013b and tolerance to pain (Ijichi et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

The association between infrared thermal imagery of core eye temperature, personality, age and housing in cats

Foster

Ijichi

2017

Applied Animal Behaviour Science

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Understanding individual responses to stress is a key aspect of maintaining optimal animal welfare. This is especially important where animals are being kept in sub-optimal environments or where the species may not clearly demonstrate stress. Therefore, the aim of this study was to investigate how stress varies in cats in a cattery environment in association with personality, age and housing. Stress was measured using Infrared Thermal Imaging (IRT) of core eye temperature and compared with scores from the Feline Temperament Profile (FTP), age and single or group housing (n=34). It was predicted that higher eye temperature would be inversely correlated with acceptable scores and directly correlated with questionable scores calculated from the FTP as these are suggested to indicate a stress sensitive cat. As predicted, eye temperature correlated significantly with acceptable FTP scores (rs =-0.377, p = 0.028). Eye temperature was also higher in older cats (rs = 0.417, p = 0.014) and those singly-housed compared with group housed (U = 37, N1 = 12, N2 = 22, P = 0.001). This provides preliminary evidence that personality may predict stress sensitivity in cats and that older and singly housed cats may find the cattery environment more aversive. These findings may improve adoption rates as unresolved stress can cause avoidance and aggressive behaviour, both of which are undesirable in companion animals. Further, they may increase adoption success rates if owners have more knowledge of the personality and likely stress sensitivity of the cat before adopting. In addition, educating owners that the cat they have adopted is stress sensitive will encourage greater vigilance and awareness of subtle indicators of stress, thus improving welfare.

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Section: Introductionmentioning

confidence: 99%

The association between infrared thermal imagery of core eye temperature, personality, age and housing in cats

Foster

Ijichi

2017

Applied Animal Behaviour Science

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Assessing Variance in Male Reproductive Skew Based on Long‐Term Data in Free‐Ranging Rhesus Macaques

Widdig,

Engel,

Ruiz‐Lambides

et al. 2024

American J Primatol

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The unequal share in male reproduction (male reproductive skew) has been reported across primate species. To explain the distribution of male reproduction within groups various skew models have been applied to primates, however the “dynamic tug‐of‐war” model first accounted for the specifics of primate sociality. This model assumes that an increase in the number of competing males, a high degree of female cycle synchrony and their interaction will result in a lower degree of male reproductive skew. Here, we first tested the predictors of this model in rhesus macaques (Macaca mulatta) using long‐term demographic and genetic data (up to 9 groups over 22 seasons) of the Cayo Santiago population (Puerto Rico). We also tested an extended version including group size and sex ratio and their interaction with female cycle synchrony. Finally, we investigated which male attributes determine the probability to become a top sire (highest paternity share per group and season). Confirming studies, male rhesus macaques exhibited low to medium degrees of reproductive skew based on the multinomial index, M. Unlike predicted, reproductive skew was higher in groups with more males. The extended analysis suggested that reproductive skew increased with group size in more male‐biased groups, but decreased with group size in female‐biased groups indicating that the numbers of male and female group members matter. We detected no effect of female cycle synchrony on the variance of reproductive skew. Finally, only maternal rank predicted the probability to become a top sire as long as males resided in their natal group. Together, our results did not support predictions by the dynamic skew model in rhesus macaques, but strengthen studies suggesting that other factors in addition to male‐male competition predict male reproductive output in rhesus macaques. Future skew studies should consider female choice and alternative male mating strategies.

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Weiss, Alexander

Weiss¹

2020

Encyclopedia of Personality and Individual Differences

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From Genes to Animal Behavior

Cited by 12 publications

References 605 publications

The association between infrared thermal imagery of core eye temperature, personality, age and housing in cats

The association between infrared thermal imagery of core eye temperature, personality, age and housing in cats

Assessing Variance in Male Reproductive Skew Based on Long‐Term Data in Free‐Ranging Rhesus Macaques

Weiss, Alexander

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