Fur color change and hormonal development in captive females of northern white-cheeked (Nomascus leucogenys) and buff-cheeked (Nomascus gabriellae) gibbons

Bolechová, Petra; Chaloupková, Helena; Hradec, Michal; Jánová, Eva; Doležalová, Jana

doi:10.1016/j.ygcen.2019.113210

Cited by 3 publications

(3 citation statements)

References 43 publications

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“…Resident male crested gibbons face several challenges in attempting to monopolize mating with resident females. First, there is no clear evidence of sexual swellings in Nomascus gibbons (Bolechova et al, 2019). Sexual swellings occur in two gibbon genera, Hylobates (Cheyne & Chivers, 2006) and Symphalangus (Chivers, 1974), and in these taxa copulations between the resident male and the group's lone female were most common when females were swollen (Barelli et al, 2008; Cheyne & Chivers, 2006).…”

Section: Discussionmentioning

confidence: 99%

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Disassociation of social and sexual partner relationships in a gibbon population with stable one‐male two‐female groups

Huang

et al. 2022

American J Primatol

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Adult males living in a one-male multi-female social group are expected to try to monopolize copulations with resident females to increase reproductive fitness.Gibbons have traditionally been described as living in monogamous groups, with the sole resident adult male assumed to sire all of the group's offspring. Here, we used microsatellite analyses and behavioral observations to examine rates of extra-group paternity (EGP) over 16 years in a population of crested gibbons (Nomascus concolor) that form stable and long-term one-male two-female social units. Forty percent of offspring (N = 14) were sired by extra-group males. To understand this high level of EGP, we tested whether inbreeding avoidance was related to EGP. Females who engaged in EGP did not show larger pairwise relatedness with their resident male compared to females who did not engage in EGP. Nevertheless, the standardized heterozygosity of EGP offspring was significantly higher than for offspring sired by the group's resident male. These results provide partial support for the inbreeding avoidance hypothesis. It appears that resident male crested gibbons are unable to monopolize resident females' matings. Our results indicate that long-term social partners are often distinct from sexual partners in this population. Clearly, the breeding system of crested gibbons is more flexible than previously thought, indicating a need for integrating long-term behavioral data and genetic research to re-evaluate gibbon social and sexual relationships derived from concepts of monogamy and pair-bonding.

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Section: Discussionmentioning

confidence: 99%

Section: Male Reproductive Strategymentioning

confidence: 99%

Disassociation of social and sexual partner relationships in a gibbon population with stable one‐male two‐female groups

Huang

et al. 2022

American J Primatol

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“…The surface colour of organisms is the most visual feature, and the difference in color often represents important differences in material composition and information (Bolechováet al, 2019). As the most important high-quality protein source for human beings, the quality and nutritional values of aquatic products is significantly linked to the color, based on experience, tradition and customs (Cai and Leung, 2022;He et al, 2023;Wang et al, 2024), and the color of aquatic products significantly affects their purchasing decisions (Steine et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Nutrient comparisons among the noble scallops Chlamys nobilis with three different shell colours to provide advices for consumers to choose high-quality food

He,

Ye,

Zeng

et al. 2024

Front. Mar. Sci.

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IntroductionIn aquatic animals, colors not only reflect their sensory qualities but also affect their nutritional components and market price. Noble scallop Chlamys nobilis is an importantly economical bivalve cultured in the south sea of China and renowned for its various shell colors.MethodsIn this study, the nutrient compositions were compared among golden, yellow, and brown shell colour noble scallops originating from the same population for breeding new varieties.ResultsAmong three colour scallops, there is no significant difference in the content of moisture, ash, and total protein content (TPC) but significant differences in total carotenoid content (TCC), total lipid content (TLC), and amino acids (AAs) (P < 0.05), with the TCC of the brown scallop being about 2 times lower. The yellow scallop contained the same nutrients as TCC, TLC, ∑PUFAs (including EPA and DHA), and n-3/n-6 as the golden scallop, and both were significantly higher than the brown scallop (P < 0.05), but they had significantly lower ∑SFAs than the latter (P < 0.05). The correlation between the nutrient indices and the shell color of scallops was 67.5%. There is a significantly positive correlation between TCC and ∑PUFAs (P < 0.05), while a significantly negative correlation exists between TCC and ∑SFAs (P < 0.05). More importantly, the yellow scallop had significantly higher EAAs and FAAs than the golden scallop (P < 0.05).DiscussionThis study showed that the yellow noble scallop not only enriched in carotenoids and PUFAs but also enriched in amino acids. Therefore, the yellow scallop is more benefit to human health, which can provide high-quality food for customers.

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Reproductive Parameters of Captive Female Northern White-Cheeked (Nomascus leucogenys) and Yellow-Cheeked (Nomascus gabriellae) Gibbons

Fan

He²,

Yang

et al. 2021

Int J Primatol

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Fur color change and hormonal development in captive females of northern white-cheeked (Nomascus leucogenys) and buff-cheeked (Nomascus gabriellae) gibbons

Cited by 3 publications

References 43 publications

Disassociation of social and sexual partner relationships in a gibbon population with stable one‐male two‐female groups

Disassociation of social and sexual partner relationships in a gibbon population with stable one‐male two‐female groups

Nutrient comparisons among the noble scallops Chlamys nobilis with three different shell colours to provide advices for consumers to choose high-quality food

Reproductive Parameters of Captive Female Northern White-Cheeked (Nomascus leucogenys) and Yellow-Cheeked (Nomascus gabriellae) Gibbons

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