ArticleOecologia2009
Foraging decisions in a capital breeder: trade-offs between mass gain and lactation.
Article in Oecologia, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Article
- Influences of Maternal Weight and Geographic Factors on Offspring Traits of the Edible Dormouse in the NE of the Iberian Peninsula.Life (Basel, Switzerland) · 2023Article
- Diet variation in a critically endangered marine predator revealed with stable isotope analysis.Royal Society open science · 2022Article
- Habitat and climate shape growth patterns in a mountain ungulate.Ecology and evolution · 2022Article
- Staying close to home: Ecological constraints on space use and range fidelity in a mountain ungulate.Ecology and evolution · 2021Article
- Milk composition in a wild mammal: a physiological signature of phenological changes.Oecologia · 2020Article
- Forage availability and maternal characteristics affect costs of reproduction in a large marsupial.Oecologia · 2020Article
- Antler growth as a cost of reproduction in female reindeer.Oecologia · 2019Article
- Getting ready for the winter: Timing and determinants of molt in an alpine ungulate.Ecology and evolution · 2019Article
- Article
- Foraging investment in a long-lived herbivore and vulnerability to coursing and stalking predators.Ecology and evolution · 2018Article
- To feed or not to feed? Bioenergetic impacts of fear-driven behaviors in lactating dolphins.Ecology and evolution · 2018Article
- Combined bio-logging and stable isotopes reveal individual specialisations in a benthic coastal seabird, the Kerguelen shag.PloS one · 2017Article
- Individual heterogeneity and offspring sex affect the growth-reproduction trade-off in a mammal with indeterminate growth.Oecologia · 2016Article
- Senescence in breeding success of female Alpine chamois (Rupicapra rupicapra): the role of female quality and age.Oecologia · 2015Article
- Environmental and physiological influences to isotopic ratios of N and protein status in a Montane ungulate in winter.PloS one · 2014Article
- Influences of mating group composition on the behavioral time-budget of male and female Alpine Ibex (Capra ibex) during the rut.PloS one · 2014Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The high energetic costs of lactation can lead to fundamental trade-offs in life-history traits, particularly in young females that reproduce before completing body growth. We assessed whether lactating female mountain goats (Oreamnos americanus) used behavioural tactics at fine spatio-temporal scales to increase energy intake to compensate for the costs of lactation. Lactating females increased bite rate and chewing rate compared with non-lactating females, but selected similar foraging sites in terms of plant quality and abundance. At peak lactation, forage intake of lactating females was >40% greater than that of non-lactating females. For females that had reached asymptotic body mass (i.e. > or =6 years old), summer mass gain of lactating females was similar to that of non-lactating females. At 4 and 5 years of age, however, daily mass gain of lactating females was about 20% lower than that of non-lactating females. We conclude that increased foraging may allow fully-grown lactating females to compensate for the energetic costs of lactation, but that there is a major trade-off between mass gain and lactation for younger females.
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Registered trials
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