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Temperament does not affect the overall establishment of mutual preference between the mother and her young in sheep measured in a choice test

Abstract : Temperament influences maternal behavior and lamb survival in Merino sheep selected for calm or nervous temperament. The impact of this selection oil mother-young recognition and early expression of temperament ill lambs is unknown. We tested the ability of multiparous elves selected for calm (n = 16) or nervous (n = 18) temperament to recognize their own lambs 6 hr after parturition, the ability of the lambs to display a preference for their own mother at 18 hr; and the temperament of the lambs at 1 and 16 weeks of age. Elves and lambs from both genotypes showed a similar preference for their familiar kin. In contrast, differences lit temperament were detectable at l and 16 weeks of age. Nervous lambs showed higher vocal and locomotor activity than calm lambs. Thus, temperament did not affect the early process of ewe-lamb bonding but might affect the quality of the mother-young relationship under more challenging situations. (C) 2009 Wiley Periodicals, Inc. Dev Psychobiol 51: 429-438, 2009.
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Submitted on : Saturday, May 30, 2020 - 12:10:52 PM
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S.L. Bickell, Raymond Nowak, Pascal Poindron, Frédéric Sèbe, A. Chadwick, et al.. Temperament does not affect the overall establishment of mutual preference between the mother and her young in sheep measured in a choice test. Developmental Psychobiology, Wiley, 2009, 51 (5), pp.429-438. ⟨10.1002/dev.20382⟩. ⟨hal-02658421⟩

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