Abstract：
:The behavior of primiparous lactating prairie voles (Microtus ochrogaster) and their mates individually interacting with pups was continuously assessed for 45 min after a 2-h parent-litter separation on days 3-4 and 10-11 postpartum. Both sexes were highly parental after reunion with the young, and their general pattern of behavior consisted of bouts of quiescence interspersed with bursts of heightened activity. Lactating females spent more time than males in contact with pups, and more time being quiescent, most often in the kyphotic (upright crouched) nursing posture. Even in the absence of nipples upon which the pups could suckle, males also displayed kyphosis, although for shorter durations than females. Males spent more time, however, huddled over the litter in a hunched position than their mates. In accordance with their decreased quiescence, male voles licked and carried pups more and were more exploratory than females. Compared with the first week postpartum, bouts of kyphosis were shorter during the second week postpartum for both sexes, while laying prone on the pups increased. Males spent less time licking and more time carrying older pups than younger ones, and were more exploratory during the second week postpartum. Sex differences in the parental behavior of prairie voles may reflect differences in the somatosensory stimulation that females and males receive from pups. Furthermore, the display of kyphosis by male voles indicates that the sensorimotor organization of this posture in voles differs from that of lactating rats, which require suckling stimulation for its regulation.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Lonstein JS,De Vries GJdoi
10.1016/s0031-9384(98)00270-4subject
Has Abstractpub_date
1999-03-01 00:00:00pages
33-40issue
1eissn
0031-9384issn
1873-507Xpii
S0031-9384(98)00270-4journal_volume
66pub_type
杂志文章abstract：:Rats obtained less food than normal on a cyclic-ratio schedule during brief, 1-hr exposure to either moderate hypobaric hypoxia (BP = 435 Torr, PO2 approximately equal to 91 Torr) or to hypoxic hypoxia (BP = 750 Torr, PO2, approximately equal to 90 Torr), but not during hypobaric exposure with 36.5% oxygen (BP = 435 T...
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pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：1977-08-01 00:00:00
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journal_title：Physiology & behavior
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更新日期：2021-02-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 临床试验,杂志文章
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更新日期：2006-08-30 00:00:00
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更新日期：2000-01-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：1990-04-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 临床试验,杂志文章
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更新日期：2018-08-01 00:00:00
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journal_title：Physiology & behavior
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更新日期：2007-02-28 00:00:00
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pub_type： 杂志文章
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更新日期：1991-04-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
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更新日期：2017-06-01 00:00:00
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pub_type： 杂志文章
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更新日期：1991-03-01 00:00:00
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更新日期：2008-09-03 00:00:00
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更新日期：2012-02-01 00:00:00
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pub_type： 杂志文章,随机对照试验
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更新日期：2014-04-10 00:00:00
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pub_type： 杂志文章
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更新日期：2000-01-01 00:00:00
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更新日期：2015-12-01 00:00:00
