Placentophagia in rabbits: incidence across the reproductive cycle.

Placentophagia in rabbits: incidence across the reproductive cycle.
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兔子食胎盘:整个生殖周期的发病率。

DOI:
10.1002/dev.10118
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发表时间:
2003
影响因子:
2.2
通讯作者:
González-Mariscal,Gabriela
González-Mariscal,Gabriela
中科院分区:
心理学4区
文献类型:
--
作者:
Melo,AngelI;González-Mariscal,Gabriela

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家兔在分娩时表现出噬胎盘行为,但这种行为的调控及其在整个生殖周期中的发生率尚不清楚。通过对发情期、妊娠中期、孕前(第1天)和产后(第1天和第5天)有肝脏和胎盘的食物剥夺兔进行测试,我们发现前三组中没有或很少(<%)发生食胎盘,在分娩时不变,并持续到产后第1天和第5天(分别为50%和48%)。大多数食胎盘的雌性在产后第1天也吃肝脏,但在产后第5天不吃肝脏。在不同的食物剥夺的兔子中,每2小时用胎盘和食物颗粒测试一次,食胎盘发生率在准备8小时为20%,在分娩时为100%,在产后8和24小时分别为67%和21%。大多数食胎盘兔在产后(而不是产前)试验中也吃食物颗粒。结果提示围生期的体感、激素或两种因素共同调节噬胎盘的表达。©2003 Wiley期刊公司心理科学进展,2003,19(3):357 - 357。
Rabbits show placentophagia at parturition, but the regulation of this behavior and its incidence across the reproductive cycle are unknown. By testing estrous, midpregnant, prepartum (day 1), and postpartum (days 1 and 5) food‐deprived rabbits with liver and placenta, we found an absence or infrequency (<%) of placentophagia in the former three groups, an invariable occurrence at parturition, and a persistence into postpartum days 1 and 5 (50 and 48%, respectively). Most placentophagic females also ate liver on postpartum day 1, but not on postpartum day 5. In different food‐deprived rabbits, tested every 2 hr with placenta and food pellets, placentophagia incidence was 20% at 8 hr prepartum, 100% at parturition, and 67 and 21% at 8 and 24 hr postpartum, respectively. Most placentophagic rabbits also ate food pellets in postpartum (but not in prepartum) tests. Results suggest that somatosensory, hormonal, or both factors of the peripartum period regulate placentophagia expression. © 2003 Wiley Periodicals, Inc. Dev Psychobiol 43: 37–43, 2003.
DOI: 10.1016/s0168-1591(96)01158-6
发表时间: 1997-06-01
影响因子: 2.3
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发表时间: 1980-01-01
期刊: JOURNAL OF REPRODUCTION AND FERTILITY
影响因子: --
作者:
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发表时间: 1994
影响因子: 2.3
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