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Behavioural variability, physical activity, rumination time, and milk characteristics of dairy cattle in response to regrouping.
Marumo JL, Lusseau D, Speakman JR, Mackie M, Byar AY, Cartwright W, Hambly C. Marumo JL, et al. Among authors: speakman jr. Animal. 2024 Mar;18(3):101094. doi: 10.1016/j.animal.2024.101094. Epub 2024 Jan 30. Animal. 2024. PMID: 38401328 Free article.
The results, specifically for primiparous cows, indicated a negative impact of regrouping on social interactions, due to changes in the social environment which may lead to short-term social instability. Multiparous cows may benefit from previous regrouping experiences....
The results, specifically for primiparous cows, indicated a negative impact of regrouping on social interactions, due to changes in the soci …
Phylogenetic signal in gut microbial community rather than in rodent metabolic traits.
Zhang XY, Khakisahneh S, Liu W, Zhang X, Zhai W, Cheng J, Speakman JR, Wang DH. Zhang XY, et al. Among authors: speakman jr. Natl Sci Rev. 2023 Jul 28;10(10):nwad209. doi: 10.1093/nsr/nwad209. eCollection 2023 Oct. Natl Sci Rev. 2023. PMID: 37928774 Free PMC article.
However, few studies have evaluated phylogeny-associated microbial assembly and host metabolic plasticity concurrently, and their relationships on both short-term and evolutionary timescales. We report that the branching order of a gut microbial dendrogram was nearly congr …
However, few studies have evaluated phylogeny-associated microbial assembly and host metabolic plasticity concurrently, and their relationsh …
Maternal High Fat Diet in Lactation Impacts Hypothalamic Neurogenesis and Neurotrophic Development, Leading to Later Life Susceptibility to Obesity in Male but Not Female Mice.
Xu Y, Yang D, Wang L, Król E, Mazidi M, Li L, Huang Y, Niu C, Liu X, Lam SM, Shui G, Douglas A, Speakman JR. Xu Y, et al. Among authors: speakman jr. Adv Sci (Weinh). 2023 Dec;10(35):e2305472. doi: 10.1002/advs.202305472. Epub 2023 Oct 22. Adv Sci (Weinh). 2023. PMID: 37867217 Free PMC article.
Early life nutrition can reprogram development and exert long-term consequences on body weight regulation. In mice, maternal high-fat diet (HFD) during lactation predisposed male but not female offspring to diet-induced obesity when adult. ...
Early life nutrition can reprogram development and exert long-term consequences on body weight regulation. In mice, maternal high-fat …
The Effects of Graded Levels of Calorie Restriction: XX. Impact of Long-Term Graded Calorie Restriction on Survival and Body Mass Dynamics in Male C57BL/6J Mice.
Mitchell SE, Togo J, Green CL, Derous D, Hambly C, Speakman JR. Mitchell SE, et al. Among authors: speakman jr. J Gerontol A Biol Sci Med Sci. 2023 Oct 28;78(11):1953-1963. doi: 10.1093/gerona/glad152. J Gerontol A Biol Sci Med Sci. 2023. PMID: 37354128 Free PMC article.
We evaluated the overall changes in survival, body mass dynamics, and body composition following long-term graded CR (580 days/19 months) in male C57BL/6J mice. Control mice (0% restriction) were fed ad libitum in the dark phase only (12-hour ad libitum [12AL]). ...
We evaluated the overall changes in survival, body mass dynamics, and body composition following long-term graded CR (580 days/19 mon …
Increased parental effort fails to buffer the cascading effects of warmer seas on common guillemot demographic rates.
Wanless S, Albon SD, Daunt F, Sarzo B, Newell MA, Gunn C, Speakman JR, Harris MP. Wanless S, et al. Among authors: speakman jr. J Anim Ecol. 2023 Aug;92(8):1622-1638. doi: 10.1111/1365-2656.13944. Epub 2023 May 22. J Anim Ecol. 2023. PMID: 37212614
Common guillemot parents were unable to compensate effectively for temperature-mediated variation in feeding conditions through behavioural flexibility, resulting in immediate consequences for breeding population size because of lower adult survival and potentially longer-term …
Common guillemot parents were unable to compensate effectively for temperature-mediated variation in feeding conditions through behavioural …
The Effects of Graded Levels of Calorie Restriction: XVIII.Tissue-Specific Changes in Cell Size and Number in Response to Calorie Restriction.
Phillips D, Mathers H, Mitchell SE, Speakman JR. Phillips D, et al. Among authors: speakman jr. J Gerontol A Biol Sci Med Sci. 2022 Oct 6;77(10):1994-2001. doi: 10.1093/gerona/glac110. J Gerontol A Biol Sci Med Sci. 2022. PMID: 35639808 Free PMC article.
These findings indicate the pattern of change of cell size and number across increasing levels of short-term CR is tissue-specific....
These findings indicate the pattern of change of cell size and number across increasing levels of short-term CR is tissue-specific... …
Total energy expenditure is repeatable in adults but not associated with short-term changes in body composition.
Rimbach R, Yamada Y, Sagayama H, Ainslie PN, Anderson LF, Anderson LJ, Arab L, Baddou I, Bedu-Addo K, Blaak EE, Blanc S, Bonomi AG, Bouten CVC, Bovet P, Buchowski MS, Butte NF, Camps SGJA, Close GL, Cooper JA, Das SK, Dugas LR, Ekelund U, Entringer S, Forrester T, Fudge BW, Goris AH, Gurven M, Hambly C, El Hamdouchi A, Hoos MB, Hu S, Joonas N, Joosen AM, Katzmarzyk P, Kempen KP, Kimura M, Kraus WE, Kushner RF, Lambert EV, Leonard WR, Lessan N, Martin CK, Medin AC, Meijer EP, Morehen JC, Morton JP, Neuhouser ML, Nicklas TA, Ojiambo RM, Pietiläinen KH, Pitsiladis YP, Plange-Rhule J, Plasqui G, Prentice RL, Rabinovich RA, Racette SB, Raichlen DA, Ravussin E, Reynolds RM, Roberts SB, Schuit AJ, Sjödin AM, Stice E, Urlacher SS, Valenti G, Van Etten LM, Van Mil EA, Wells JCK, Wilson G, Wood BM, Yanovski J, Yoshida T, Zhang X, Murphy-Alford AJ, Loechl CU, Luke AH, Rood J, Schoeller DA, Westerterp KR, Wong WW, Speakman JR, Pontzer H; IAEA DLW Database Consortium. Rimbach R, et al. Among authors: speakman jr. Nat Commun. 2022 Jan 10;13(1):99. doi: 10.1038/s41467-021-27246-z. Nat Commun. 2022. PMID: 35013190 Free PMC article.
Genetic variations in adiponectin levels and dietary patterns on metabolic health among children with normal weight versus obesity: the BCAMS study.
Li G, Zhong L, Han L, Wang Y, Li B, Wang D, Zhao Y, Li Y, Zhang Q, Qi L, Speakman JR, Willi SM, Li M, Gao S. Li G, et al. Among authors: speakman jr. Int J Obes (Lond). 2022 Feb;46(2):325-332. doi: 10.1038/s41366-021-01004-z. Epub 2021 Oct 29. Int J Obes (Lond). 2022. PMID: 34716426 Free PMC article.
CONCLUSIONS: These findings highlight a novel gene-diet interaction on the susceptibility to cardiometabolic disorders, which has a long-term impact from childhood onward, particularly in those with normal weight. ...
CONCLUSIONS: These findings highlight a novel gene-diet interaction on the susceptibility to cardiometabolic disorders, which has a long- …
Energy compensation and adiposity in humans.
Careau V, Halsey LG, Pontzer H, Ainslie PN, Andersen LF, Anderson LJ, Arab L, Baddou I, Bedu-Addo K, Blaak EE, Blanc S, Bonomi AG, Bouten CVC, Buchowski MS, Butte NF, Camps SGJA, Close GL, Cooper JA, Das SK, Cooper R, Dugas LR, Eaton SD, Ekelund U, Entringer S, Forrester T, Fudge BW, Goris AH, Gurven M, Hambly C, El Hamdouchi A, Hoos MB, Hu S, Joonas N, Joosen AM, Katzmarzyk P, Kempen KP, Kimura M, Kraus WE, Kushner RF, Lambert EV, Leonard WR, Lessan N, Martin CK, Medin AC, Meijer EP, Morehen JC, Morton JP, Neuhouser ML, Nicklas TA, Ojiambo RM, Pietiläinen KH, Pitsiladis YP, Plange-Rhule J, Plasqui G, Prentice RL, Rabinovich RA, Racette SB, Raichlen DA, Ravussin E, Reilly JJ, Reynolds RM, Roberts SB, Schuit AJ, Sjödin AM, Stice E, Urlacher SS, Valenti G, Van Etten LM, Van Mil EA, Wells JCK, Wilson G, Wood BM, Yanovski J, Yoshida T, Zhang X, Murphy-Alford AJ, Loechl CU, Luke AH, Rood J, Sagayama H, Schoeller DA, Wong WW, Yamada Y, Speakman JR; IAEA DLW database group. Careau V, et al. Among authors: speakman jr. Curr Biol. 2021 Oct 25;31(20):4659-4666.e2. doi: 10.1016/j.cub.2021.08.016. Epub 2021 Aug 27. Curr Biol. 2021. PMID: 34453886 Free PMC article.
Increasing levels of activity may bring diminishing returns in energy expenditure because of compensatory responses in non-activity energy expenditures.(1-3) This suggestion has profound implications for both the evolution of metabolism and human health. It implies that a long- …
Increasing levels of activity may bring diminishing returns in energy expenditure because of compensatory responses in non-activity energy e …
The energy savings-oxidative cost trade-off for migratory birds during endurance flight.
McWilliams S, Pierce B, Wittenzellner A, Langlois L, Engel S, Speakman JR, Fatica O, DeMoranville K, Goymann W, Trost L, Bryla A, Dzialo M, Sadowska E, Bauchinger U. McWilliams S, et al. Among authors: speakman jr. Elife. 2020 Dec 11;9:e60626. doi: 10.7554/eLife.60626. Elife. 2020. PMID: 33306947 Free PMC article.
Here, we show that a migratory bird with fuel stores composed of more omega-6 polyunsaturated fats (PUFA) expended 11% less energy during long-duration (6 hr) flights with no change in oxidative costs; however, this short-term energy savings came at the long-term co …
Here, we show that a migratory bird with fuel stores composed of more omega-6 polyunsaturated fats (PUFA) expended 11% less energy during lo …
50 results