Linked Life Data

9417992

Source:http://linkedlifedata.com/resource/pubmed/id/9417992

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1998-2-5
pubmed:abstractText
High altitude (HA; n = 5) chickens (Gallus gallus) with a high oxygen hemoglobin (Hb) affinity were transported from their birthplace (Puno, Perú 4,000 m) down sea level (Lima, Perú). The in vivo whole blood oxygen affinity (P50) and the eggshell permeability (P) were studied after several months living at sea level and in the first (F1) and second (F2) generations born at sea level. Our approach was to analyze changes in Hb affinity and eggshell permeability, considered as indicators of HA adaptation in birds. Our results show an increase of the P50 values (a decrease in Hb affinity) towards sea-level values. The results in P indicate that this variable increases towards sea level values in the F2 generation. We conclude that in the Andean chicken, a relative "newcomer" to high altitude (no more than 500 years), neither the Hb affinity for oxygen nor the eggshell permeability are invariable indicators of HA adaptation, in contrast with other native high altitude mammals and birds.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1096-4959
pubmed:author
pubmed:issnType
Print
pubmed:volume
118
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
53-7
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
Changes in whole blood oxygen affinity and eggshell permeability in high altitude chickens translocated to sea level.
pubmed:affiliation
Universidad Peruana Cayetano Heredia, Dpto. de Ciencias Fisiológicas/Instituto de Investigaciones de la Altura (IIA), Lima, Peru. fabiolv@upch.edu.pe
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't