Differences in placentophagia in relation to reproductive status in the California mouse (Peromyscus californicus).
Differences in placentophagia in relation to reproductive status in the California mouse (Peromyscus californicus).
复制标题
加州小鼠(Peromyscus californicus)的胎盘吞噬差异与生殖状态的关系。
DOI:
10.1002/dev.21154
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发表时间:
2014
影响因子:
2.2
通讯作者:
Saltzman,Wendy
中科院分区:
文献类型:
--
作者:
Perea-Rodriguez,JuanP;Saltzman,Wendy
Parturient females ingest placenta in most mammalian species, whereas fathers may do so in species in which both parents provide care for their offspring. To determine if the propensity to eat placenta varies with reproductive status in the biparental California mouse, we presented placenta to virgin (housed with a same‐sex pairmate), expectant (pregnant with their first litter), and multiparous adult males and females. Liver was presented identically, 3–7 days later, as a control. Multiparous females were more likely to eat placenta than expectant and virgin females (p‐values <0.016), whereas both multiparous and expectant males had higher incidences of placentophagia than virgins (p‐values <0.016). Liver consumption did not differ among groups within either sex. These results suggest that propensity to eat placenta increases with maternal/birthing experience in females, and with paternal experience and/or cohabitation with a pregnant female in males. © 2013Wiley Periodicals, Inc. Dev Psychobiol 56: 812–820, 2014.
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