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Keywords: Diet
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Journal Articles
J Exp Biol jeb.245316.
Published: 18 January 2023
...Juan D. Zuluaga; Raymond M. Danner We used thermal imaging to show that two environmental factors—acute stress and diet—influence thermoregulatory performance of a known thermal window, the avian bill. The bill plays important roles in thermoregulation and water balance. Given that heat loss...
Journal Articles
J Exp Biol (2021) 224 (22): jeb243182.
Published: 18 November 2021
...-carotene. Carotenoid Colour Aposematic Diet Ontogeny Conspicuous colouration is found in most animal taxa and is known to play a significant role in male–male competition, female mate choice and anti-predator defence ( Casas-Cardona et al., 2018 ; Gomez et al., 2009 ; Sztatecsny et al...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (14): jeb242393.
Published: 15 July 2021
... of the nutritional composition of larval diets (i.e. diet quality) on adult RMR has not been studied. Using in vitro rearing to control larval diet quality, we determined the effect of dietary protein and carbohydrate on honeybee survival to adulthood, time to eclosion, body mass/size and adult RMR. High...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (21): jeb231993.
Published: 3 November 2020
... mechanisms could facilitate mass regulation in birds. Birds could regulate body mass by adjusting food intake (dieting), activity, baseline energetic requirements (basal metabolic rate), mitochondrial efficiency or assimilation efficiency. Here, we present the results of two experiments in captive red knots...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (3): jeb220442.
Published: 12 February 2020
...Nicole L. Ackermans; Daniela E. Winkler; Louise F. Martin; Thomas M. Kaiser; Marcus Clauss; Jean-Michel Hatt ABSTRACT External abrasives ingested along with the herbivore diet are considered main contributors to dental wear, though how the different sizes and concentrations of these abrasives...
Journal Articles
J Exp Biol (2019) 222 (13): jeb201111.
Published: 28 June 2019
... muscle and heart ventricle of red-winged blackbird ( Agelaius phoeniceus ) nestlings, fledglings and adults. Additionally, using a diet manipulation, we tested the hypothesis that muscle SERCA activity is affected by dietary fatty acid composition, as has been shown in some previous studies. In blackbird...
Journal Articles
J Exp Biol (2019) 222 (6): jeb192534.
Published: 27 March 2019
...Christopher W. Weldon; Sandiso Mnguni; Fabien Démares; Esther E. du Rand; Kevin Malod; Aruna Manrakhan; Susan W. Nicolson ABSTRACT Adult holometabolous insects may derive metabolic resources from either larval or adult feeding, but little is known of whether adult diets can compensate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (Suppl_1): jeb163881.
Published: 7 March 2018
... with a complex, evolutionarily conserved physiology uniquely qualifies the fruit fly Drosophila melanogaster as a platform on which to study obesity and obesity-related metabolic disorders. Lipid metabolism Insect Genetics Diet Lipid droplet The regulation of lipid homeostasis is crucial...
Journal Articles
J Exp Biol (2017) 220 (23): 4330–4338.
Published: 1 December 2017
... and subsequent generations protection from future starvation events. Bioenergetics Diet Epigenetics Fasting Nutrition Weight loss Limitation in the availability of food is an omnipresent challenge faced by many animal populations. The durations of these events can be brief, and cause...
Journal Articles
J Exp Biol (2017) 220 (17): 3127–3134.
Published: 1 September 2017
.... Diet Frugivory Insect Nutrient interactions Tropics In their natural habitat, frugivorous animals are exposed to a variety of fruit, which differs in ripeness ( Corlett, 2011 ). They typically consume ripe fruit but may also feed on unripe or over-ripe fruit depending on abundance...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (9): 1586–1596.
Published: 1 May 2017
... turbidity, habitat spatial complexity and diet) variables. Acuity was significantly correlated with eye size ( P <0.001); a weaker correlation with body size occurred via a correlation between eye and body size ( P <0.001). Acuity decreased as light level decreased and turbidity increased; however...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (4): 573–581.
Published: 15 February 2017
... plasticity by diverting resources from non-vital to vital traits such as spatial memory to enhance foraging efficiency. We tested in young feral pigeons ( Columba livia ) how diets of different nutritional value during development affect the capacity to retrieve food hidden in a spatially complex environment...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (14): 2233–2240.
Published: 1 July 2015
... of Würzburg. References Alaux , C. , Ducloz , F. , Crauser , D. and Le Conte , Y. ( 2010 ). Diet effects on honeybee immunocompetence . Biol. Lett.   6 , 562 - 565 . 10.1098/rsbl.2009.0986 Almeida-Muradian , L. B. , Pamplona , L. C. , Coimbra , S. and Barth...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (1): 59–70.
Published: 1 January 2015
...Michael Daniel; Trygve O. Tollefsbol; Hans H. Hoppeler Epigenetic mechanisms play a pivotal role in the expression of genes and can be influenced by both the quality and quantity of diet. Dietary compounds such as sulforaphane (SFN) found in cruciferous vegetables and epigallocatechin-3-gallate...
Journal Articles
J Exp Biol (2014) 217 (3): 370–375.
Published: 1 February 2014
... in terms of health and fitness. Exposure to cold or heat is therefore expected to be associated with a high demand for antioxidants. In agreement, several studies have shown that supplementing the diet of thermally stressed organisms with antioxidants leads to a reduction of oxidative damage. However...
Journal Articles
J Exp Biol (2013) 216 (19): 3627–3636.
Published: 1 October 2013
... stopover . Ardea   97 , 61 - 70 . Dekinga   A. , Piersma   T. ( 1983 ). Reconstructing diet composition on the basis of faeces in a mollusc-eating wader, the knot Calidris canutus . Bird Study   40 , 144 - 156 . Dekinga   A. , Dietz   M. W. , Koolhaas   A. , Piersma   T...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (5): 859–868.
Published: 1 March 2013
...Brian Bazzell; Sara Ginzberg; Lindsey Healy; R. J. Wessells SUMMARY The impact of dietary composition on exercise capacity is a subject of intense study in both humans and model organisms. Interactions between diet and genetics are a crucial component of optimized dietary design. However...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (9): 1435–1441.
Published: 1 May 2012
.... * Author for correspondence ( ckorine@bgu.ac.il ) 26 12 2011 © 2012. 2012 bat blood meal diet digestion flea herbivory rodent To maximize fitness, individuals of a species select habitats that present them with the resources of the highest available quality, largest...
Journal Articles
J Exp Biol (2012) 215 (1): 1–13.
Published: 1 January 2012
... of feeding ability that performed better than kinematic traits in explaining natural patterns of prey use. When compared with principal components describing variation in the kinematics of suction-feeding events, SIFF output explained significantly more variation in centrarchid diets, suggesting...
Journal Articles
J Exp Biol (2011) 214 (10): 1668–1675.
Published: 15 May 2011
... aerobic scope (AAS). Previous studies on fish have found SMR to closely correlate with dominance and position in the social hierarchy, and to be highly repeatable over time when fish were provided an ad libitum diet. In this study we tested the temporal repeatability of individual SMR, AMR and AAS...