Eyeblink rate as an indicator of concentration on grooming in Japanese macaques (Macaca fuscata)
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DOI: 10.1002/ajp.23392
Abstract: In primates, social relationships with a high frequency of social grooming are referred to as “affiliate relationships,” “friendship,” “bonding,” and are described as involving positive emotion. However, the psychological state during social grooming has not… read more here.
Keywords: macaca fuscata; blink rate; social grooming; concentration ... See more keywords
When males have females on their backs: Male's tolerance, solicitation, and use of female–male mounting in Japanese macaques
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DOI: 10.1002/ajp.23395
Abstract: Previous research on Japanese macaques has shown that female‐to‐male mounting (FMM) is performed by some females as an exaggerated form of sexual solicitation that may occur in the context of high female competition for male… read more here.
Keywords: male; fmm; female male; tolerance ... See more keywords
Chemical cues of identity and reproductive status in Japanese macaques
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DOI: 10.1002/ajp.23411
Abstract: Olfactory communication plays an important role in the regulation of socio‐sexual interactions in mammals. There is growing evidence that both human and nonhuman primates rely on odors to inform their mating decisions. Nevertheless, studies of… read more here.
Keywords: identity; compounds identified; reproductive status; odor ... See more keywords
A novel methodological approach for group classification during fission of a semi‐free‐ranging group of Japanese macaques (Macaca fuscata)
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DOI: 10.1002/ajp.23463
Abstract: The self‐initiated split of a social group, known as fission, is a challenge faced by many group‐living animals. The study of group fission and the social restructuring process in real time provides insights into the… read more here.
Keywords: macaca fuscata; fission; macaques macaca; group classification ... See more keywords
Behavioral responses of solicitors after failure to receive grooming in Macaca fuscata
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DOI: 10.1002/ajp.23491
Abstract: Grooming is one of the most common cooperative behaviors among several animal species. However, the tactics used to cope with uncooperative partners in grooming interactions remain unclear. Japanese macaques (Macaca fuscata) solicit grooming from partners… read more here.
Keywords: macaca fuscata; receive grooming; grooming interactions; grooming partners ... See more keywords
Mothers of disabled infants had higher cortisol levels in a free-ranging group of Japanese macaques (Macaca fuscata).
Sign Up to like & getrecommendations! Published in 2023 at "American journal of primatology"
DOI: 10.1002/ajp.23500
Abstract: Glucocorticoids (GCs) are hormones released in response to stressors and can provide insight into an organism's physiological well-being. Experiencing chronic challenges to homeostasis is associated with significant deviations from baseline fecal GCs (fGCs) in many… read more here.
Keywords: macaca fuscata; free ranging; macaques macaca; disabled infants ... See more keywords
Mineral acquisition of Japanese macaques: Contents in the foods, digestibility, and sodium-provisioning experiment.
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DOI: 10.1002/ajp.23502
Abstract: Minerals provide micronutrients that function in various ways in the body, and they are necessary for the survival of animals. In this study, we first compared the mineral content of foods of wild Japanese macaques… read more here.
Keywords: digestibility; sodium; provisioning experiment; monkey chow ... See more keywords
Fermentation Ability of Gut Microbiota of Wild Japanese Macaques in the Highland and Lowland Yakushima: In Vitro Fermentation Assay and Genetic Analyses
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DOI: 10.1007/s00248-020-01515-8
Abstract: Wild Japanese macaques ( Macaca fuscata Blyth) living in the highland and lowland areas of Yakushima are known to have different diets, with highland individuals consuming more leaves. We aim to clarify whether and how… read more here.
Keywords: gut microbiota; fermentation; lowland; japanese macaques ... See more keywords
Improving the standards for gut microbiome analysis of fecal samples: insights from the field biology of Japanese macaques on Yakushima Island
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DOI: 10.1007/s10329-018-0671-x
Abstract: Fecal DNA-based 16S ribosomal RNA (rRNA) gene sequencing using next-generation sequencers allows us to understand the dynamic gut microbiome adaptation of animals to their specific habitats. Conventional techniques of fecal microbiome analysis have been developed… read more here.
Keywords: japanese macaques; microbiome analysis; biology; gut microbiome ... See more keywords
Salivary alpha-amylase enzyme is a non-invasive biomarker of acute stress in Japanese macaques (Macaca fuscata)
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DOI: 10.1007/s10329-019-00757-6
Abstract: Salivary alpha-amylase (sAA) enzyme functions as a digestive enzyme in many species that consume starch in their diet. Human studies have also revealed that sAA enzyme activity levels are positively correlated with the release of… read more here.
Keywords: japanese macaques; biomarker; enzyme; acute stress ... See more keywords
Seasonal variation in energy balance of wild Japanese macaques (Macaca fucata yakui) in a warm-temperate forest: a preliminary assessment in the coastal forest of Yakushima
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DOI: 10.1007/s10329-020-00797-3
Abstract: Food scarcity is a major challenge for primates living in temperate forests, where food availability varies markedly among seasons. In Japanese macaques, which are exclusively distributed in temperate zones, the fat accumulation ability has been… read more here.
Keywords: warm temperate; japanese macaques; energy balance; energy ... See more keywords