Free mutual mate preferences in house mice affect reproductive success and offspring performance

Lee C. Drickamer, Patricia Adair Gowaty, David M Wagner

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

When social constraints on the expression of mate preferences are absent, variation in offspring viability is predicted to favour females and males that display mate preferences. Earlier studies showed that female and male house mice, Mus domesticus, tested individually and mated with preferred (P) partners had higher reproductive success and better progeny performance than individuals mated with nonpreferred (NP) partners. Here we tested the effects of mutual mate preferences on reproductive success, offspring viability and performance. We conducted mate preference tests and created four types of reproductive pairings. One involved females and males that preferred each other (P-P); the second type had females that preferred the male but the male did not prefer the female (P-NP); the third had females that did not prefer the male but the male did prefer the female (NP-P). The last set consisted of females and males that did not prefer each other (NP-NP). We measured components of fitness for breeders (reproductive success) and offspring viability (birth-to-weaning viability and weight variation) as well as measures of offspring performance. There were no statistical differences in reproductive success of breeders or offspring viability and quality (weight variation) among the four types of pairings. There were, however, consistent differences between P-P versus NP-NP matings. The number of pups weaned, time to first litter, birth-to-weaning viability, pup body weight at birth and weaning, and the growth rates for pups of both sexes were consistently greater for progeny from P-P matings than NP-NP matings. Significant differences occurred among the four mating types in dominance of sons during aggression trials, nest construction and predator avoidance. Progeny from P-P matings displayed behaviour associated with higher fitness more often than progeny from NP-NP matings. These data show that breeders produce more highly competent progeny, most likely to survive, when social constraints on the expression of mate preferences in both sexes are relaxed.

Original languageEnglish (US)
Pages (from-to)105-114
Number of pages10
JournalAnimal Behaviour
Volume65
Issue number1
DOIs
StatePublished - Jan 1 2003

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Mus musculus
mating behavior
reproductive success
viability
weaning
pups
fitness
Mus
gender
aggression
litters (young animals)
dominance (genetics)
nest
litter
nests
predator
predators
body weight

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics

Cite this

Free mutual mate preferences in house mice affect reproductive success and offspring performance. / Drickamer, Lee C.; Gowaty, Patricia Adair; Wagner, David M.

In: Animal Behaviour, Vol. 65, No. 1, 01.01.2003, p. 105-114.

Research output: Contribution to journalArticle

Drickamer, Lee C. ; Gowaty, Patricia Adair ; Wagner, David M. / Free mutual mate preferences in house mice affect reproductive success and offspring performance. In: Animal Behaviour. 2003 ; Vol. 65, No. 1. pp. 105-114.
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