Pregnancy weight gain: marmoset and tamarin dads show it too | Zendy

Toni E. Ziegler | Zendy; Shelley L Prudom | Zendy; Nancy SchultzDarken | Zendy; Aimee V. Kurian | Zendy; Charles T. Snowdon | Zendy

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Pregnancy weight gain: marmoset and tamarin dads show it too

Author(s) -

Toni E. Ziegler,

Shelley L Prudom,

Nancy SchultzDarken,

Aimee V. Kurian,

Charles T. Snowdon

Publication year - 2006

Publication title -

biology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.596

H-Index - 110

eISSN - 1744-957X

pISSN - 1744-9561

DOI - 10.1098/rsbl.2005.0426

Subject(s) - marmoset , biology , offspring , callithrix , pregnancy , weight gain , callitrichidae , paternal care , zoology , body weight , endocrinology , ecology , genetics

Paternal behaviour is critical for the survival of offspring in many monogamous species. Common marmoset (Callithrix jacchus) and cotton-top tamarin (Saguinus oedipus) fathers spend as much or more time caring for infants than mothers. Expectant males of both species showed significant increases in weight across the pregnancy whereas control males did not (five consecutive months for marmoset males and six months for cotton-top tamarin males). Expectant fathers might be preparing for the energetic cost of fatherhood by gaining weight during their mate's pregnancy.

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