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Keywords: growth
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Journal Articles
JEB: 100 years of discovery
Series: CENTENARY ARTICLE
J Exp Biol (2023) 226 (11): jeb245426.
Published: 30 May 2023
... that metabolic allometry arises as a consequence of the optimisation of growth and reproduction to maximise fitness within a finite life. Our theory is free of physical geometric constraints that limit the possibilities available to evolution, and we therefore argue that metabolic allometry can be explained...
Journal Articles
J Exp Biol (2020) 223 (23): jeb232496.
Published: 15 December 2020
... treatment had a positive effect on body mass growth at 30 days after hatching and immune response at sexual maturity, while egg testosterone treatment positively influenced immune response at fledging and courtship behaviour in sexually mature male offspring. Maternal effects are known to modulate offspring...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (23): jeb229195.
Published: 11 December 2020
... temperatures for growth (22 and 34°C) for 40 days and measuring growth and thermal tolerance at two different warming rates. We found that tolerance to rapid warming correlated with tolerance to slow warming in the 22°C treatment. However, individual tolerance to neither rapid nor slow warming correlated...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (23): jeb237255.
Published: 11 December 2020
... Macronutrient content Protein Spider Fitness Growth Reproduction As for all organisms, predators experience trade-offs between life-history traits or fitness components, including growth, reproduction and survival, due to limited resources within a set time frame ( Roff, 2002 ; Stearns, 1992...
Includes: Supplementary data
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J Exp Biol (2019) 222 (17): jeb182741.
Published: 3 September 2019
..., tendon stiffness, elastic energy storage capacity and efficiency were calculated from muscle and tendon morphological parameters and in vitro tendon mechanical properties obtained from a growth series of ostrich cadavers. Ontogenetic scaling relationships were established using reduced major axis...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (10): jeb200659.
Published: 17 May 2019
...Vallo Tilgar ABSTRACT Prolonged stress can have long-lasting effects on an individual's physiology and growth. However, the impact of chronically elevated glucocorticoids on the expression of early antipredator responses is still poorly documented. In this study, I simulated the effect of repeated...
Includes: Supplementary data
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J Exp Biol (2018) 221 (9): jeb174300.
Published: 10 May 2018
... the concentration of vitamin E and corticosterone in the eggs of the yellow-legged gull ( Larus michahellis ) by administering a physiological (2 s.d.) dose both independently and in combination. We tested for an effect on chick post-natal growth, plasma antioxidant capacity (TAC) and oxidative compounds (TOS...
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J Exp Biol (2017) 220 (4): 625–633.
Published: 15 February 2017
...: Increased yolk testosterone concentration in yellow-legged gulls promotes body mass growth of embryos but reduces brain size. Moreover, sex differences in brain size exist among control embryos. Brain mass Embryo Growth Oxidative status Sexual dimorphism Larus michahellis Testosterone...
Journal Articles
J Exp Biol (2016) 219 (22): 3562–3574.
Published: 15 November 2016
..., growth rates, glycogen and triglyceride content, and candidate gene expression. During acute heat shock, both species upregulated HSP90 and HSP70 , although V. lienosa showed consistently greater transcript levels during upregulation. This pattern was consistent during the chronic warming simulation...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (19): 3061–3071.
Published: 1 October 2016
... hypothesis. We use a novel methodology where we repeatedly measure respiration and metabolic rates throughout the penultimate- and final-instar larvae in the butterfly Pieris napi . In the penultimate instar, respiration and metabolic rates gradually decelerated along with growth, supporting the ODIM...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (4): 571–581.
Published: 15 February 2016
... 2015 1 12 2015 © 2016. Published by The Company of Biologists Ltd 2016 Summary: A novel 3D critical window construct reveals how morphometry of Artemia is influenced by salinity level and the time of salinity exposure during development. Brine shrimp Growth Phenotype...
Journal Articles
J Exp Biol (2015) 218 (15): 2373–2381.
Published: 1 August 2015
... temperature for the whole organism are often less clear. Growth and reproduction are the driving factors for population structure and abundance. The aim of this study was to assess the effect of long-term acclimation to elevated temperature on energy budget parameters in the high-Antarctic fish Trematomus...
Includes: Supplementary data