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Titolo:
INFLUENCE OF A CONSPECIFIC AGEMATE ON DISTRESS BLEATING BY LAMBS
Autore:
PORTER RH; NOWAK R; ORGEUR P;
Indirizzi:
INRA,COMPORTEMENT ANIMAL LAB,CNRS,URA 1291 F-37380 NOUZILLY FRANCE
Titolo Testata:
Applied animal behaviour science
fascicolo: 3-4, volume: 45, anno: 1995,
pagine: 239 - 244
SICI:
0168-1591(1995)45:3-4<239:IOACAO>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
TWIN LAMBS; MOTHER; DISCRIMINATION;
Keywords:
LAMBS; TWIN RECOGNITION; MATERNAL SEPARATION; DISTRESS BLEATS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
R.H. Porter et al., "INFLUENCE OF A CONSPECIFIC AGEMATE ON DISTRESS BLEATING BY LAMBS", Applied animal behaviour science, 45(3-4), 1995, pp. 239-244

Abstract

Lambs typically display behavioral and physiological indicants of distress when they are removed from their mother. In the present experiment, we assessed the effects of the presence of agemate conspecifics onthe rate of distress bleating by 3-week-old lambs immediately following maternal separation. When removed from,their mother and tested in isolation, lambs emitted more distress bleats than they did when pairedwith a social partner-either their twin (P <0.01) or an unfamiliar lamb (P < 0.05). Moreover, rates of distress bleating by paired unfamiliar lambs were greater than for familiar twins tested together (P < 0.02). The presence of an agemate lamb therefore appears to alleviate, atleast to some extent, the stress associated with maternal separation. Lower rates of bleating by twin pairs in contrast with paired unfamiliar lambs suggest that twins recognize one another. Prior to testing, twins interacted closely and thereby had the opportunity to become mutually acquainted.

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Documento generato il 20/01/20 alle ore 16:11:26