The ontogeny of personality traits in the red junglefowl,<i>Gallus gallus</i>

Favati, Anna; Zidar, Josefina; Thorpe, Hanne; Jensen, Per; Løvlie, Hanne

doi:10.1093/beheco/arv177

Cited by 73 publications

(108 citation statements)

References 60 publications

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“…Unlike our study, however, there are studies that suggest individual behavior becomes more consistent following maturity (Favati et al., ; Gyuris et al., ; Roberts, Caspi, & Moffitt, ; Sinn et al., ). One potential explanation for observed consistency in behavioral traits across ontogeny (even if seemingly maladaptive) is that some traits may have a genetic (i.e., pleiotropic) or physiological (i.e., hormonal and metabolic) basis that is difficult to uncouple over ontogeny (Sih et al., ).…”

Section: Discussioncontrasting

confidence: 83%

“…The above shifts from risk‐averse strategies in juveniles to risk‐prone strategies associated with the need to gain mass in preparation for reproduction have been observed in other species as well (Dangles, Pierre, Christides, & Casas, ; Favati et al., ; Hedrick & Kortet, ). However, see Gyuris, Feró, and Barta () for an example of risk‐prone feeding behavior observed in juvenile firebugs.…”

Section: Discussionmentioning

confidence: 67%

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The ontogeny of personality traits in the desert funnel‐web spider, Agelenopsis lisa (Araneae: Agelenidae)

2017

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Trait consistency over time is one of the cornerstones of animal personality. Behavioral syndromes are the result of correlations between behaviors. While repeatability in behavior is not a requirement for behavioral syndromes, the two concepts studied together provide a more comprehensive understanding of how behavior can change over ontogeny. The roles of ontogenetic processes in the emergence of personality and behavioral syndromes have received much individual attention. However, the characterization of both individual trait consistency and behavioral syndromes across both sexes, as in our study, has been relatively rare. Ontogeny refers to changes that occur from conception to maturation, and juveniles might be expected to undergo different selection pressures than sexually mature individuals and also will experience profound changes in hormones, morphology, and environment during this period. In this study, we test for behavioral trait consistency and behavioral syndromes across six time points during ontogenetic development in the desert funnel‐web spider (Agelenopsis lisa). Our results indicate behavioral traits generally lack consistency (repeatability) within life stages and across ontogeny. However, penultimate males and mature females do exhibit noticeable mean‐level changes, with greater aggressive responses toward prey, shorter latencies to explore their environment and in the exhibition of risk‐averse responses to predatory cues. These traits also show high repeatability. Some trait correlations do exist as well. In particular, a strong correlation between aggressiveness toward prey and exploration factors is observed in mature males. However, because correlations among these factors are unstable across ontogeny and vary in strength over time, we conclude that behavioral syndromes do not exist in this species. Nevertheless, our results indicate that increased consistency, increasing average trait values, and varying correlations between traits may coincide with developmentally important changes associated with sexual maturation, albeit at different time points in males and females. This period of the life cycle merits systematic examination across taxa.

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Section: Discussioncontrasting

confidence: 83%

Section: Discussionmentioning

confidence: 67%

The ontogeny of personality traits in the desert funnel‐web spider, Agelenopsis lisa (Araneae: Agelenidae)

2017

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“…I observed high repeatability in behavioural responses measured in animal personality assays in chicks, thus confirming that animal personality was measured. The repeatability was lower when comparing responses in chicks to that after sexual maturation, confirming our earlier work (Favati et al 2016). I also observed coping styles; latency in tonic immobility was negatively correlated to behavioural flexibility in both chicks and adults (Fig.…”

Section: Paper Isupporting

confidence: 88%

“…Personality traits show temporary consistency in chicks, but vary during development when chicks go through developmental stages, and then stabilise again after sexual maturation (Favati et al 2016). Personality traits like exploration, vigilance, and aggressiveness can influence which male wins a social interaction and thus who becomes dominant in a flock when two morphologically matched males, duel (Favati et al 2014a).…”

Section: Personality In Chickensmentioning

confidence: 99%

The relationship between personality and cognitionin the fowl, Gallus gallus

Zidar¹

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“…Favati, Zidar, Thorpe, Jensen, and Lovlie (2016) have investigated ontogeny of personality traits in RJF from chick (4 weeks of age) to adult (40 weeks of age). Favati, Zidar, Thorpe, Jensen, and Lovlie (2016) have investigated ontogeny of personality traits in RJF from chick (4 weeks of age) to adult (40 weeks of age).…”

Section: Discussionmentioning

confidence: 99%

Rapid behavioral assay using handling test provides breed and sex differences in tameness of chickens

et al. 2019

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Background Japanese indigenous chicken breeds are often used to improve meat quality rather than broilers in the Jidori industry. There are sometimes severe crowding accidents caused by many birds frightened by environmental stimuli. To prevent the economic loss, the chickens need to be more gentle, tame, and imperturbable. Methods In this study, a new handling test for tameness in adult chickens in individual cages was performed with 100 birds from each sex of Shamo, Rhode Island Red, Nagoya, Australorp, and Ukokkei, as well as 10 hens of F1 hybrid between Shamo and Rhode Island Red, to measure both active and passive tameness. We counted the number heading toward human hands (heading) and retreating in other directions (avoiding) in both active and passive tameness phases, as well as the number of steps taken (step) during the handling test. Results Male chickens exhibited higher avoidance behavior than females. Nagoya females displayed the lowest level of avoidance behavior, which implies passive tameness. In terms of active tameness, a variety of phenotypes can be obtained in different combinations of breed and sex. These results suggested the handling test will be good method for rapid screening of individual differences in tameness. In addition, there were heterosis effects on avoidance and locomotive behaviors. Since F1 is often used in the Jidori industry, the breeders should be tested not only for meat production but also for tameness. Conclusions In the future, combining both the behavioral screening and the population genomics will establish typical evidence about mechanisms of tameness and domestication in animals.

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The ontogeny of personality traits in the red junglefowl,Gallus gallus

Cited by 73 publications

References 60 publications

The ontogeny of personality traits in the desert funnel‐web spider, Agelenopsis lisa (Araneae: Agelenidae)

The ontogeny of personality traits in the desert funnel‐web spider, Agelenopsis lisa (Araneae: Agelenidae)

The relationship between personality and cognitionin the fowl, Gallus gallus

Rapid behavioral assay using handling test provides breed and sex differences in tameness of chickens

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