Perry S Barboza

Summary

Affiliation: University of Alaska
Country: USA

Publications

  1. ncbi Ruminal fermentation and fill change with season in an arctic grazer: responses to hyperphagia and hypophagia in muskoxen (Ovibos moschatus)
    Perry S Barboza
    Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska, Fairbanks, 99775 7000, USA
    Physiol Biochem Zool 79:497-513. 2006
  2. ncbi Intermittent feeding in a migratory omnivore: digestion and body composition of American black duck during autumn
    P S Barboza
    Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, P O Box 757000, Fairbanks, AK 99775 7000, USA
    Physiol Biochem Zool 74:307-17. 2001
  3. ncbi Allocating protein to reproduction in arctic reindeer and caribou
    Perry S Barboza
    Department of Biology and Wildlife, Institute of Arctic Biology, University of Alaska, Fairbanks, Alaska 99775 7000, USA
    Physiol Biochem Zool 81:835-55. 2008
  4. ncbi Body protein stores and isotopic indicators of N balance in female reindeer (Rangifer tarandus) during winter
    Perry S Barboza
    Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska, Fairbanks, 99775 7000, USA
    Physiol Biochem Zool 79:628-44. 2006
  5. ncbi Physiology of intermittent feeding: integrating responses of vertebrates to nutritional deficit and excess
    Perry S Barboza
    Department of Biology and Wildlife, Institute of Arctic Biology, P O Box 757000, University of Alaska, Fairbanks, AK 99775 7000, USA
    Physiol Biochem Zool 79:250-64. 2006
  6. ncbi Polygynous mating impairs body condition and homeostasis in male reindeer ( Rangifer tarandus tarandus)
    P S Barboza
    Institute of Arctic Biology, University of Alaska, 902 North Koyukuk Drive, P O Box 757000, Fairbanks, AK 99775 7000, USA
    J Comp Physiol B 174:309-17. 2004
  7. ncbi Intermittent fasting during winter and spring affects body composition and reproduction of a migratory duck
    P S Barboza
    Institute of Arctic Biology, and Department of Biology and Wildlife, University of Alaska Fairbanks, PO Box 757000, Room 311 Irving I, Fairbanks AK 99775 7000 USA
    J Comp Physiol B 172:419-34. 2002
  8. ncbi Seasonal hyperphagia does not reduce digestive efficiency in an Arctic grazer
    T C Peltier
    Department of Biology and Wildlife, Institute of Arctic Biology, P.O. Box 757000, University of Alaska, Fairbanks, AK 99775-7000, USA
    Physiol Biochem Zool 76:471-83. 2003
  9. ncbi Dynamics of body protein and the implications for reproduction in captive muskoxen (Ovibos moschatus) during winter
    David D Gustine
    Department of Biology and Wildlife, University of Alaska, Fairbanks, AK 99775 7000, USA
    Physiol Biochem Zool 83:687-97. 2010
  10. ncbi Sensible heat loss from Muskoxen (Ovibos moschatus) feeding in winter: small calves are not at a thermal disadvantage compared with adult cows
    Adam J Munn
    Institute of Arctic Biology and Department of Biology and Wildlife, University of Alaska, Fairbanks, Alaska 99709, Canada
    Physiol Biochem Zool 82:455-67. 2009

Collaborators

Detail Information

Publications17

  1. ncbi Ruminal fermentation and fill change with season in an arctic grazer: responses to hyperphagia and hypophagia in muskoxen (Ovibos moschatus)
    Perry S Barboza
    Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska, Fairbanks, 99775 7000, USA
    Physiol Biochem Zool 79:497-513. 2006
    ..Plasticity of fill and fermentation in muskoxen minimizes winter costs and maximizes nutrients and energy gained from coarse forages in small home ranges throughout the year...
  2. ncbi Intermittent feeding in a migratory omnivore: digestion and body composition of American black duck during autumn
    P S Barboza
    Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, P O Box 757000, Fairbanks, AK 99775 7000, USA
    Physiol Biochem Zool 74:307-17. 2001
    ..Omnivorous waterfowl combine ingestive and digestive flexibility with plasticity of body lipid to contend with uncertain food availability...
  3. ncbi Allocating protein to reproduction in arctic reindeer and caribou
    Perry S Barboza
    Department of Biology and Wildlife, Institute of Arctic Biology, University of Alaska, Fairbanks, Alaska 99775 7000, USA
    Physiol Biochem Zool 81:835-55. 2008
    ..The resilience of Rangifer populations to variable patterns of food supply and metabolic demand may be related to their ability to alter the timing and allocation of body protein to reproduction...
  4. ncbi Body protein stores and isotopic indicators of N balance in female reindeer (Rangifer tarandus) during winter
    Perry S Barboza
    Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska, Fairbanks, 99775 7000, USA
    Physiol Biochem Zool 79:628-44. 2006
    ..01 +/- 0.21 in pregnant females before and after caging and were consistent with average body protein gain in winter. Storage of protein allows reindeer and caribou to tolerate diets that are low in N without impairing fetal development...
  5. ncbi Physiology of intermittent feeding: integrating responses of vertebrates to nutritional deficit and excess
    Perry S Barboza
    Department of Biology and Wildlife, Institute of Arctic Biology, P O Box 757000, University of Alaska, Fairbanks, AK 99775 7000, USA
    Physiol Biochem Zool 79:250-64. 2006
    ..Predictions of the response to food disruption are best evaluated in the context of body size, nutritional physiology, and life history of the species and the time for internal response...
  6. ncbi Polygynous mating impairs body condition and homeostasis in male reindeer ( Rangifer tarandus tarandus)
    P S Barboza
    Institute of Arctic Biology, University of Alaska, 902 North Koyukuk Drive, P O Box 757000, Fairbanks, AK 99775 7000, USA
    J Comp Physiol B 174:309-17. 2004
    ..These adverse effects may be the consequence of selection for large body size and aggression in a highly variable competition for mates...
  7. ncbi Intermittent fasting during winter and spring affects body composition and reproduction of a migratory duck
    P S Barboza
    Institute of Arctic Biology, and Department of Biology and Wildlife, University of Alaska Fairbanks, PO Box 757000, Room 311 Irving I, Fairbanks AK 99775 7000 USA
    J Comp Physiol B 172:419-34. 2002
    ..Females modulate body mass for survival and defer reproduction when food supply is interrupted in spring...
  8. ncbi Seasonal hyperphagia does not reduce digestive efficiency in an Arctic grazer
    T C Peltier
    Department of Biology and Wildlife, Institute of Arctic Biology, P.O. Box 757000, University of Alaska, Fairbanks, AK 99775-7000, USA
    Physiol Biochem Zool 76:471-83. 2003
    ..Seasonal increases in digestive and metabolic functions allow muskoxen to rapidly accumulate energy and nutrients in body tissue during the short season of plant growth...
  9. ncbi Dynamics of body protein and the implications for reproduction in captive muskoxen (Ovibos moschatus) during winter
    David D Gustine
    Department of Biology and Wildlife, University of Alaska, Fairbanks, AK 99775 7000, USA
    Physiol Biochem Zool 83:687-97. 2010
    ..We conclude that variation in protein supplies from body stores and the diet explain a large part of the variation in productivity of Arctic ungulates...
  10. ncbi Sensible heat loss from Muskoxen (Ovibos moschatus) feeding in winter: small calves are not at a thermal disadvantage compared with adult cows
    Adam J Munn
    Institute of Arctic Biology and Department of Biology and Wildlife, University of Alaska, Fairbanks, Alaska 99709, Canada
    Physiol Biochem Zool 82:455-67. 2009
    ..These mechanisms appear to have circumvented some of the thermal problems normally associated with a high SA:vol ratio in calves, which reflects the strong selection to conserve energy in winter...
  11. ncbi Regulation of rumen fermentation during seasonal fluctuations in food intake of muskoxen
    Annie R Crater
    Department of Biology and Wildlife, PO Box 6100, University of Alaska, Fairbanks, Alaska 99775 6100, USA
    Comp Biochem Physiol A Mol Integr Physiol 146:233-41. 2007
    ..4+/-5.8x10(9) mL(-1)). Allostatic set points probably alter the homeostatic range of conditions and the microbial diversity of fermentations in herbivores from highly seasonal environments...
  12. ncbi Could a big gut be too costly for muskoxen (Ovibos moschatus) in their first winter?
    Adam J Munn
    Institute of Arctic Biology and Department of Biology and Wildlife, The University of Alaska, Fairbanks, Alaska, USA
    Zoology (Jena) 111:350-62. 2008
    ..Together, these data suggest that limited food availability due to snow cover or high animal density may reduce the survival of muskoxen in their first winter...
  13. ncbi Costs of gestation in an Arctic ruminant: copper reserves in muskoxen
    Emmajean P Rombach
    Department of Biology and Wildlife, University of Alaska, P O Box 757000, Fairbanks, AK 99775 7000, USA
    Comp Biochem Physiol C Toxicol Pharmacol 134:157-68. 2003
    ..Supplies of Cu to the fetus could be limited either by low levels of Cu in the maternal liver, or in the maternal diet during late winter when fetal gains in mass and liver Cu are greatest...
  14. ncbi Digestive constraints on an aquatic carnivore: effects of feeding frequency and prey composition on harbor seals
    S J Trumble
    Institute of Marine Science, School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK 99775 1080, USA
    J Comp Physiol B 173:501-9. 2003
    ....
  15. ncbi Copper status of muskoxen: a comparison of wild and captive populations
    Perry S Barboza
    Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, Alaska 99775, USA
    J Wildl Dis 39:610-9. 2003
    ..Hepatic storage of Cu may allow wild muskoxen to contend with low and fluctuating availability of Cu in small foraging areas at high latitudes...
  16. ncbi Ceruloplasmin as an indicator of copper reserves in wild ruminants at high latitudes
    P S Barboza
    Institute of Arctic Biology and Department of Biology and Wildlife, University of Alaska Fairbanks, 99775-7000, USA
    J Wildl Dis 37:324-31. 2001
    ..However, the method requires validation for the effects of sex, season, development and disease in each species...
  17. ncbi Digestive challenges for vertebrate animals: microbial diversity, cardiorespiratory coupling, and dietary specialization
    P S Barboza
    Department of Biology and Wildlife, University of Alaska, Fairbanks, AK 99775, USA
    Physiol Biochem Zool 83:764-74. 2010
    ....