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Jin S, Gao Q, Dunn DW, Zhao H, Liang Z, Li M, Zhao Y, Chen Z, Gao G, He G, Li B, Guo S. Variation in placentophagy in golden snub-nosed monkeys (Rhinopithecus roxellana) reflects nutritional constraints. Integr Zool 2025; 20:419-428. [PMID: 38597117 DOI: 10.1111/1749-4877.12827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Golden snub-nosed monkeys show inconsistent frequency of placentophagy between wild and captive populations, with almost all births in the wild but around half of the births in captivity accompanied by the female's consumption of placenta. This aligns with nutritional demands-driven placentophagy, as captive populations are generally under less nutritional constraints for breeding females than the wild population. Placentophagy is probably adaptive in the wild and under positive selection due to nutritional benefits to both mothers and infants.
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Affiliation(s)
- Shiyu Jin
- Shaanxi Key Laboratory for Animal Conservation, School of Life Sciences, Northwest University, Xi'an, China
| | - Qi Gao
- Shaanxi Key Laboratory for Animal Conservation, School of Life Sciences, Northwest University, Xi'an, China
| | - Derek W Dunn
- Shaanxi Key Laboratory for Animal Conservation, School of Life Sciences, Northwest University, Xi'an, China
| | - Haitao Zhao
- Shaanxi Key Laboratory for Animal Conservation, Shaanxi Institute of Zoology, Xi'an, China
| | | | - Meirong Li
- Nanjing Hongshan Forest Zoo, Nanjing, China
| | - Yang Zhao
- Xi'an Qinling Wildlife Zoo, Xi'an, China
| | - Zujin Chen
- Guangzhou Zoo (Guangzhou Wildlife Research Center), Guangzhou, China
| | - Genggeng Gao
- Research Center for the Qinling Giant Panda (Shaanxi Rare Wildlife Rescue Base), Xi'an, China
| | - Gang He
- Shaanxi Key Laboratory for Animal Conservation, School of Life Sciences, Northwest University, Xi'an, China
| | - Baoguo Li
- Shaanxi Key Laboratory for Animal Conservation, School of Life Sciences, Northwest University, Xi'an, China
- Shaanxi Key Laboratory for Animal Conservation, Shaanxi Institute of Zoology, Xi'an, China
- College of Life Science, Yanan University, Yanan, China
| | - Songtao Guo
- Shaanxi Key Laboratory for Animal Conservation, School of Life Sciences, Northwest University, Xi'an, China
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