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Titolo:
Prolactin levels are elevated after infant carrying in parentally inexperienced common marmosets
Autore:
Roberts, RL; Jenkins, KT; Lawler, T; Wegner, FH; Norcross, JL; Bernhards, DE; Newman, JD;
Indirizzi:
NICHHD, Unit Dev Neuroethol, Comparat Ethol Lab, NIH Anim Ctr, Poolesville, MD 20837 USA NICHHD Poolesville MD USA 20837 , NIH Anim Ctr, Poolesville, MD 20837 USA Univ Wisconsin, Wisconsin Reg Primate Res Ctr, Madison, WI 53715 USA Univ Wisconsin Madison WI USA 53715 rimate Res Ctr, Madison, WI 53715 USA
Titolo Testata:
PHYSIOLOGY & BEHAVIOR
fascicolo: 5, volume: 72, anno: 2001,
pagine: 713 - 720
SICI:
0031-9384(200104)72:5<713:PLAEAI>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
NEW-WORLD PRIMATE; CALLITHRIX-JACCHUS; HELPING-BEHAVIOR; SAGUINUS-OEDIPUS; RECEPTOR; MECHANISMS; RESISTANCE; TAMARINS; STRESS; RATS;
Keywords:
Callithrix jacchus; marmoset; prolactin; parental behavior; alloparental behavior; cooperative breeding;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Roberts, RL NICHHD, Unit Dev Neuroethol, Comparat Ethol Lab, NIH Anim Ctr,POB 529, Poolesville, MD 20837 USA NICHHD POB 529 Poolesville MD USA 20837lesville, MD 20837 USA
Citazione:
R.L. Roberts et al., "Prolactin levels are elevated after infant carrying in parentally inexperienced common marmosets", PHYSL BEHAV, 72(5), 2001, pp. 713-720

Abstract

Alloparental behavior (parental behavior directed to nondescendant young) is pervasive among human cultures but rare among other mammals. New World primates of the family Callitrichidae, including common marmosets (Callithrix jacchus jacchus), dwell in large families and many family members carry and/or provision infants. This study experimentally characterized alloparenting in common marmosets by measuring infant retrieval and carrying outside of the context of the family group. Prolactin was measured in samples collected before and after infant exposure to determine whether elevated prolactin levels were predictive of alloparental responsiveness. Seventeen nonbreeding, parentally inexperienced, singly or peer-housed common marmosets (10 females, 7 males, 6-66 months of age) were tested repeatedly in an infant retrieval paradigm. Infant retrieval was shown by 5 out of 17 monkeys (29%) in their first teal. The rate of retrieval increased to 10 monkeys (59%) bythe fourth test. No significant differences in age, sex, or housing condition existed between monkeys that retrieved infants and those not retrieving. Prolactin concentrations were significantly elevated in serum obtained after testing only in monkeys that retrieved infants. Prolactin levels after infant exposure were positively related to carrying duration. A separate experiment verified that neither prolactin nor cortisol was significantly elevated in response to prolonged handling. Cortisol levels were inversely proportional to handling time. Prolactin levels were not significantly relatedto handling time. Our results indicate that alloparental behavior is expressed at high rates after minimal infant experience, and prolactin levels rise concomitantly with the expression of alloparental behavior in this species. (C) 2001 Elsevier Science Inc. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 13:39:42