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Maternal F1 antibodies and cytokines in mother-neonate dog pairs in the plague focus.
Heliyon
February 2025
National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
In this study, we investigated the F1 antibody against in the sera of mother-neonate shepherd dog pairs in the plague focus of the Altun-Qilian Mountains, Qinghai-Tibetan Plateau, China. Seropositive shepherd dogs lived in plague-endemic regions, where marmots were infected with , whereas seronegative dogs lived in non-endemic regions. The neonatal F1 antibody titers positively correlated with the maternal titers within 3 months after birth, and the neonatal titers were similar to or slightly lower than the maternal titers.
View Article and Find Full Text PDFInfluences of climatic and social environment on variable maternal allocation among offspring in Alpine marmots.
J Anim Ecol
February 2021
UMR CNRS 5558 Biométrie et Biologie Evolutive, Univ Lyon, Université Claude Bernard (Lyon I), Villeurbanne, France.
In an environment with limited resources, parents may trade-off the number of offspring produced against offspring mass. To maximize fitness under unpredictable environments, females must not only maximize mean annual reproductive success but also minimize between-year variation in reproductive success. Thus, preferred strategies of maternal allocation might be to maximize the mass of their offspring or to produce a number of offspring of variable body masses.
View Article and Find Full Text PDFOlder mothers produce more successful daughters.
Proc Natl Acad Sci U S A
March 2020
School of Biological Sciences, Zoology Building, University of Aberdeen, Aberdeen, AB24 2TZ, United Kingdom.
Annual reproductive success and senescence patterns vary substantially among individuals in the wild. However, it is still seldom considered that senescence may not only affect an individual but also affect age-specific reproductive success in its offspring, generating transgenerational reproductive senescence. We used long-term data from wild yellow-bellied marmots () living in two different elevational environments to quantify age-specific reproductive success of daughters born to mothers differing in age.
View Article and Find Full Text PDFCorrelates of maternal glucocorticoid levels in a socially flexible rodent.
Horm Behav
November 2019
Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA; Rocky Mountain Biological Laboratory, Box 519, Crested Butte, CO 81224, USA. Electronic address:
While it is generally accepted that social isolation has detrimental effects on social species, little is known about the importance of social interactions in less social species-particularly for wild reproductive females. We studied socially-flexible yellow-bellied marmots (Marmota flaviventer) and asked whether features of the social environment are associated with maternal fecal glucocorticoid metabolite (FGM) concentrations. Since changes in maternal baseline glucocorticoids may have positive or negative consequences for offspring fitness, we were also interested in estimating their relationship with measures of reproductive success.
View Article and Find Full Text PDFDog-Owner Attachment Is Associated With Oxytocin Receptor Gene Polymorphisms in Both Parties. A Comparative Study on Austrian and Hungarian Border Collies.
Front Psychol
April 2018
Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary.
Variations in human infants' attachment behavior are associated with single nucleotide polymorphisms (SNPs) in the oxytocin receptor (OXTR) gene, suggesting a genetic component to infant-mother attachment. However, due to the genetic relatedness of infants and their mothers, it is difficult to separate the genetic effects of infants' OXTR genotype from the environmental effects of mothers' genotype possibly affecting their parental behavior. The apparent functional analogy between child-parent and dog-owner relationship, however, offers a way to disentangle the effects of these factors because pet dogs are not genetically related to their caregivers.
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