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Zagkle E, Martinez-Vidal PA, Bauchinger U, Sadowska ET. Manipulation of Heat Dissipation Capacity Affects Avian Reproductive Performance and Output. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.866182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Animal life requires hard work but the ability to endure such workload appears to be limited. Heat dissipation limit (HDL) hypothesis proposes that the capacity to dissipate the excess of body heat during hard work may limit sustained energy use. Experimental facilitations of heat loss rate via feather-clipping in free-living birds seem to support HDL hypothesis but testing of HDL through laboratory experiments under controlled conditions is not reported. We employed a two-factorial experimental design to test HDL hypothesis by manipulating the capacity to dissipate heat through exposure of captive zebra finches (Taeniopygia guttata) to a cold and warm ambient temperature (14°C and 25°C), and through manipulation of the insulating layer of feathers around the brood patch in females (clipped and unclipped). To simulate foraging costs encountered in the wild we induced foraging effort by employing a feeding system that necessitated hovering to access food, which increased energetic costs of reproduction despite ad libitum conditions in captivity. We quantified the outcome of reproductive performance at the level of both parents, females, and offspring. Thermal limitations due to warm temperature appeared at the beginning of reproduction for both parents with lower egg-laying success, smaller clutch size and lower egg mass, compared to the cold. After hatching, females with an enhanced ability to dissipate heat through feather-clipping revealed higher body mass compared to unclipped females, and these clipped females also raised heavier and bigger nestlings. Higher levels for oxidative stress in plasma of females were detected prior to reproduction in warm conditions than in the cold. However, oxidative stress biomarkers of mothers were neither affected by temperature nor by feather-clipping during the reproductive activities. We document upregulation of antioxidant capacity during reproduction that seems to prevent increased levels of oxidative stress possibly due to the cost of female body condition and offspring growth. Our study on reproduction under laboratory-controlled conditions corroborates evidence in line with the HDL hypothesis. The link between temperature-constrained sustained performance and reproductive output in terms of quality and quantity is of particular interest in light of the current climate change, and illustrates the emerging risks to avian populations.
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Nonyane BAS, Norton M, Begum N, Shah RM, Mitra DK, Darmstadt GL, Baqui AH. Pregnancy intervals after stillbirth, neonatal death and spontaneous abortion and the risk of an adverse outcome in the next pregnancy in rural Bangladesh. BMC Pregnancy Childbirth 2019; 19:62. [PMID: 30738434 PMCID: PMC6368961 DOI: 10.1186/s12884-019-2203-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 01/23/2019] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Studies have revealed associations between preceding short and long birth-to-birth or birth-to-pregnancy intervals and poor pregnancy outcomes. Most of these studies, however, have examined the effect of intervals that began with live births. Using data from Bangladesh, we examined the effect of inter-outcome intervals (IOI) starting with a non-live birth or neonatal death, on outcomes in the next pregnancy. Pregnancy spacing behaviors in rural northeast Bangladesh have changed little since 2004. METHODS We analyzed pregnancy histories for married women aged 15-49 years who had outcomes between 2000 and 2006 in Sylhet, Bangladesh. We examined the effects of the preceding outcome and the IOI length on the risk of stillbirth, neonatal death and spontaneous abortion using multinomial logistic regression models. RESULTS Data included 64,897 pregnancy outcomes from 33,495 mothers. Inter-outcome intervals of 27-50 months and live births were baseline comparators. Stillbirths followed by IOI's <=6 months, 7-14 months or overall <=14 months had increased risks for spontaneous abortion with adjusted relative risk ratios (aRRR) and 95% confidence intervals = 29.6 (8.09, 108.26), 1.84 (0.84, 4.02) and 2.53 (1.19, 5.36), respectively. Stillbirths followed by IOIs 7-14 months had aRRR 2.00 (1.39, 2.88) for stillbirths. Neonatal deaths followed by IOIs <=6 months had aRRR 28.2 (8.59, 92.63) for spontaneous abortion. Neonatal deaths followed by IOIs 7-14 and 15-26 months had aRRRs 3.08 (1.82, 5.22) and 2.32 (1.38, 3.91), respectively, for stillbirths; and aRRRs 2.81 (2.06, 3.84) and 1.70 (1.24, 3.84), respectively, for neonatal deaths. Spontaneous abortions followed by IOIs <=6 months and 7-14 months had, respectively, aRRRs 23.21 (10.34, 52.13) and 1.80 (0.98, 3.33) for spontaneous abortion. CONCLUSION In rural northeast Bangladesh, short inter-outcome intervals after stillbirth, neonatal death and spontaneous abortion were associated with a high risk of a similar outcome in the next pregnancy. These findings are aligned with other studies from Bangladesh. Two studies from similar settings have found benefits of waiting six months before conceiving again, suggesting that incorporating this advice into programs should be considered. Further research is warranted to confirm these findings.
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Affiliation(s)
- Bareng A. S. Nonyane
- Department of International Health and International Center for Maternal and Newborn Health, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205 USA
| | - Maureen Norton
- Bureau for Global Health, Office of Population and Reproductive Health, USAID, Washington D.C, USA
| | - Nazma Begum
- Department of International Health and International Center for Maternal and Newborn Health, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205 USA
| | - Rasheduzzaman M. Shah
- Department of International Health and International Center for Maternal and Newborn Health, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205 USA
| | - Dipak K. Mitra
- School of Public Health, Independent University Bangladesh (IUB), Dhaka, Bangladesh
| | - Gary L. Darmstadt
- March of Dimes Prematurity Research Center, Division of Neonatology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA USA
| | - Abdullah H. Baqui
- Department of International Health and International Center for Maternal and Newborn Health, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205 USA
| | - for the Projahnmo Study Group in Bangladesh
- Department of International Health and International Center for Maternal and Newborn Health, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205 USA
- Bureau for Global Health, Office of Population and Reproductive Health, USAID, Washington D.C, USA
- School of Public Health, Independent University Bangladesh (IUB), Dhaka, Bangladesh
- March of Dimes Prematurity Research Center, Division of Neonatology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA USA
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Beaulieu M. A Bird in the House: The Challenge of Being Ecologically Relevant in Captivity. Front Ecol Evol 2016. [DOI: 10.3389/fevo.2016.00141] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Griffith SC, Crino OL, Andrew SC, Nomano FY, Adkins-Regan E, Alonso-Alvarez C, Bailey IE, Bittner SS, Bolton PE, Boner W, Boogert N, Boucaud ICA, Briga M, Buchanan KL, Caspers BA, Cichoń M, Clayton DF, Derégnaucourt S, Forstmeier W, Guillette LM, Hartley IR, Healy SD, Hill DL, Holveck MJ, Hurley LL, Ihle M, Tobias Krause E, Mainwaring MC, Marasco V, Mariette MM, Martin-Wintle MS, McCowan LSC, McMahon M, Monaghan P, Nager RG, Naguib M, Nord A, Potvin DA, Prior NH, Riebel K, Romero-Haro AA, Royle NJ, Rutkowska J, Schuett W, Swaddle JP, Tobler M, Trompf L, Varian-Ramos CW, Vignal C, Villain AS, Williams TD. Variation in Reproductive Success Across Captive Populations: Methodological Differences, Potential Biases and Opportunities. Ethology 2016. [DOI: 10.1111/eth.12576] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Simon C. Griffith
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Ondi L. Crino
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Samuel C. Andrew
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Fumiaki Y. Nomano
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Elizabeth Adkins-Regan
- Department of Psychology and Department of Neurobiology and Behavior; Cornell University; Ithaca NY USA
| | - Carlos Alonso-Alvarez
- Instituto de Investigación en Recursos Cinegéticos (IREC) - CSIC-UCLM-JCCM; Ciudad Real Spain
- Departamento de Ecología Evolutiva; Museo Nacional de Ciencias Naturales - CSIC; Madrid Spain
| | - Ida E. Bailey
- School of Biology; University of St Andrews; St Andrews, Fife UK
| | | | - Peri E. Bolton
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Winnie Boner
- Institute of Biodiversity, Animal Health and Comparative Medicine; College of Medical, Veterinary and Life Sciences; University of Glasgow; Glasgow UK
| | - Neeltje Boogert
- School of Psychology; University of St Andrews; St Andrews, Fife UK
| | - Ingrid C. A. Boucaud
- CNRS UMR 9197 NeuroPSI/ENES; Université de Lyon/Saint-Etienne; Saint-Etienne France
| | - Michael Briga
- Behavioural Biology; University of Groningen; Groningen The Netherlands
| | | | | | - Mariusz Cichoń
- Institute of Environmental Sciences; Jagiellonian University; Cracow Poland
| | - David F. Clayton
- Department of Biological and Experimental Psychology; Queen Mary University of London; London UK
| | | | - Wolfgang Forstmeier
- Department of Behavioural Ecology and Evolutionary Genetics; Max Planck Institute for Ornithology; Seewiesen Germany
| | | | - Ian R. Hartley
- Lancaster Environment Centre; Lancaster University; Lancaster UK
| | - Susan D. Healy
- School of Biology; University of St Andrews; St Andrews, Fife UK
| | - Davina L. Hill
- Institute of Biodiversity, Animal Health and Comparative Medicine; College of Medical, Veterinary and Life Sciences; University of Glasgow; Glasgow UK
| | - Marie-Jeanne Holveck
- Institute of Biology; University of Leiden; Leiden The Netherlands
- Biodiversity Research Centre; Earth and Life Institute; Université Catholique de Louvain (UCL); Louvain-la-Neuve Belgium
| | - Laura L. Hurley
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Malika Ihle
- Department of Behavioural Ecology and Evolutionary Genetics; Max Planck Institute for Ornithology; Seewiesen Germany
| | - E. Tobias Krause
- Department of Animal Behaviour; Bielefeld University; Bielefeld Germany
- Institute of Animal Welfare and Animal Husbandry; Friedrich-Loeffler-Institut; Celle Germany
| | - Mark C. Mainwaring
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
- Lancaster Environment Centre; Lancaster University; Lancaster UK
| | - Valeria Marasco
- Institute of Biodiversity, Animal Health and Comparative Medicine; College of Medical, Veterinary and Life Sciences; University of Glasgow; Glasgow UK
| | - Mylene M. Mariette
- CNRS UMR 9197 NeuroPSI/ENES; Université de Lyon/Saint-Etienne; Saint-Etienne France
- School of Life and Environmental Sciences; Deakin University; Geelong VIC Australia
| | - Meghan S. Martin-Wintle
- Conservation and Research Department; PDXWildlife; Portland OR USA
- Applied Animal Ecology; Institute for Conservation Research; San Diego Zoo Global; Escondido CA USA
| | - Luke S. C. McCowan
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Maeve McMahon
- Department of Biological and Experimental Psychology; Queen Mary University of London; London UK
| | - Pat Monaghan
- Institute of Biodiversity, Animal Health and Comparative Medicine; College of Medical, Veterinary and Life Sciences; University of Glasgow; Glasgow UK
| | - Ruedi G. Nager
- Institute of Biodiversity, Animal Health and Comparative Medicine; College of Medical, Veterinary and Life Sciences; University of Glasgow; Glasgow UK
| | - Marc Naguib
- Behavioural Ecology Group; Department of Animal Sciences; Wageningen The Netherlands
| | - Andreas Nord
- Department of Biology; Lund University; Lund Sweden
- Department of Arctic and Marine Biology; University of Tromsø; Tromsø Norway
| | - Dominique A. Potvin
- Advanced Facility for Avian Research; University of Western Ontario; London ON Canada
| | - Nora H. Prior
- Zoology Department; University of British Columbia; Vancouver BC Canada
| | - Katharina Riebel
- Lancaster Environment Centre; Lancaster University; Lancaster UK
| | - Ana A. Romero-Haro
- Instituto de Investigación en Recursos Cinegéticos (IREC) - CSIC-UCLM-JCCM; Ciudad Real Spain
| | - Nick J. Royle
- Centre for Ecology and Conservation; University of Exeter; Penryn UK
| | - Joanna Rutkowska
- Institute of Environmental Sciences; Jagiellonian University; Cracow Poland
| | - Wiebke Schuett
- Zoological Institute; University of Hamburg; Hamburg Germany
| | - John P. Swaddle
- Biology Department; Institute for Integrative Bird Behaviour Studies; The College of William and Mary; Williamsburg VA USA
| | | | - Larissa Trompf
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Claire W. Varian-Ramos
- Biology Department; Institute for Integrative Bird Behaviour Studies; The College of William and Mary; Williamsburg VA USA
| | - Clémentine Vignal
- CNRS UMR 9197 NeuroPSI/ENES; Université de Lyon/Saint-Etienne; Saint-Etienne France
| | - Avelyne S. Villain
- CNRS UMR 9197 NeuroPSI/ENES; Université de Lyon/Saint-Etienne; Saint-Etienne France
| | - Tony D. Williams
- Department of Biological Sciences; Simon Fraser University; Burnaby BC Canada
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Skrip MM, Seeram NP, Yuan T, Ma H, McWilliams SR. Dietary antioxidants and flight exercise in female birds affect allocation of nutrients to eggs: how carry-over effects work. J Exp Biol 2016; 219:2716-25. [DOI: 10.1242/jeb.137802] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 06/23/2016] [Indexed: 12/25/2022]
Abstract
ABSTRACT
Physiological challenges during one part of the annual cycle can carry over and affect performance at a subsequent phase, and antioxidants could be one mediator of trade-offs between phases. We performed a controlled experiment with zebra finches to examine how songbirds use nutrition to manage trade-offs in antioxidant allocation between endurance flight and subsequent reproduction. Our treatment groups included (1) a non-supplemented, non-exercised group (control group) fed a standard diet with no exercise beyond that experienced during normal activity in an aviary; (2) a supplemented non-exercised group fed a water- and lipid-soluble antioxidant-supplemented diet with no exercise; (3) a non-supplemented exercised group fed a standard diet and trained to perform daily endurance flight for 6 weeks; and (4) a supplemented exercised group fed an antioxidant-supplemented diet and trained to perform daily flight for 6 weeks. After flight training, birds were paired within treatment groups for breeding. We analyzed eggs for lutein and vitamin E concentrations and the plasma of parents throughout the experiment for non-enzymatic antioxidant capacity and oxidative damage. Exercised birds had higher oxidative damage levels than non-exercised birds after flight training, despite supplementation with dietary antioxidants. Supplementation with water-soluble antioxidants decreased the deposition of lipid-soluble antioxidants into eggs and decreased yolk size. Flight exercise also lowered deposition of lutein, but not vitamin E, to eggs. These findings have important implications for future studies of wild birds during migration and other oxidative challenges.
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Affiliation(s)
- Megan M. Skrip
- Department of Natural Resources Science, University of Rhode Island, 105 Coastal Institute in Kingston, 1 Greenhouse Road, Kingston, RI 02881, USA
| | - Navindra P. Seeram
- Bioactive Botanical Research Laboratory, Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, 7 Greenhouse Road, University of Rhode Island, Kingston, RI 02881, USA
| | - Tao Yuan
- Bioactive Botanical Research Laboratory, Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, 7 Greenhouse Road, University of Rhode Island, Kingston, RI 02881, USA
- The Key Laboratory of Plant Resources and Chemistry of Arid Zone, State Key Laboratory of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Hang Ma
- Bioactive Botanical Research Laboratory, Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, 7 Greenhouse Road, University of Rhode Island, Kingston, RI 02881, USA
| | - Scott R. McWilliams
- Department of Natural Resources Science, University of Rhode Island, 105 Coastal Institute in Kingston, 1 Greenhouse Road, Kingston, RI 02881, USA
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Arnold KE, Gilbert L, Gorman HE, Griffiths KJ, Adam A, Nager RG. Paternal attractiveness and the effects of differential allocation of parental investment. Anim Behav 2016. [DOI: 10.1016/j.anbehav.2015.12.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Pooley EL, Kennedy MW, Nager RG. Maternal inbreeding reduces parental care in the zebra finch, Taeniopygia guttata. Anim Behav 2014. [DOI: 10.1016/j.anbehav.2014.09.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Prather JF. Rapid and reliable sedation induced by diazepam and antagonized by flumazenil in zebra finches (Taeniopygia guttata). J Avian Med Surg 2012; 26:76-84. [PMID: 22872979 DOI: 10.1647/2011-030.1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Songbirds have emerged as attractive model systems in many areas of biological research. Notably, songbirds are used in studies of the neurobiological and neuroendocrine mechanisms that shape vocal communication, and zebra finches (Taeniopygia guttata) are the most commonly studied species. In these studies, some form of chemical restraint is often needed to facilitate procedures and to minimize the risk of injury during handling. To determine the minimum dose of the benzodiazepine diazepam that is adequate to achieve deep sedation across individual birds, a low dose (5 mg/kg) and a high dose (10 mg/kg) was administered intramuscularly to 20 zebra finches. Results showed that a 10 mg/kg dose of diazepam resulted in deep sedation, defined by dorsal recumbency, which was achieved in minutes and lasted for several hours. Sedation was induced without complication, because no birds displayed signs of distress during sedation or lethargy after recovery, and was adequate to permit minimally invasive surgical procedures. In addition, the duration of sedation was dose dependent, which provides additional information for researchers who seek to match the depth of sedation to their experimental requirements. Finally, complete recovery from the deeply sedated state was induced by a 0.3 mg/kg dose of the antagonist flumazenil, which enabled birds to more rapidly resume homeostatic behaviors to promote well-being and survival. Together, these results indicate that diazepam is a safe and reliable sedative for use in zebra finches and support specific recommendations to achieve rapid and reliable sedation and recovery.
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Affiliation(s)
- Jonathan F Prather
- Department of Zoology and Physiology, Program in Neuroscience, University of Wyoming, 1000 East University Avenue, Dept 3166, Laramie, WY 82071, USA
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