Linked Life Data

11263727

Source:http://linkedlifedata.com/resource/pubmed/id/11263727

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2001-3-23
pubmed:abstractText
A nitrogen balance feeding trial was carried out with the marsupial honey possum, Tarsipes rostratus, using four pollen-honey diets varying in nitrogen content from 9.4 mg.g(-1) to 2.3 mg.g(-1) dry matter. The dietary maintenance nitrogen requirement (MNR) was determined by regression analysis as 89 +/- 21 mg N.kg(-0.75).day(-1) and the truly digestible MNR was 79 mg N.kg(-0.75).day(-1). Regressing nitrogen balance on daily nitrogen intake separately for ten males and seven females revealed that the slopes of the fitted lines did not vary significantly, but the difference in the intercepts approached significance. This suggests that the MNR for females may be lower than that of males. The nitrogen digestibility of the diet was 76% and the biological value (BV) was 58%. A comparison of the MNR of the honey possum with that of other marsupials shows that it is indeed much lower than that of herbivorous macropodid marsupials and is close to that of the sap- and gum-feeding sugar glider, Petarurus breviceps. The endogenous urinary nitrogen excretion (EUN) of the honey possum was 42 mg N.kg(-0.75.day(-1) and a regression analysis with other published data showed that the EUN per unit basal heat production is significantly lower than that of eutherian mammals. Measurements of the actual feeding rates of animals in the field, taken together with the low MNR, do not lend support to the hypothesis that the honey possum exhibits a reduced rate of reproduction due to a deficiency in dietary nitrogen. It is possible that the quality of nitrogen provided by pollen, as reflected in its composition of essential amino acids, may be a limiting factor.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0174-1578
pubmed:author
pubmed:issnType
Print
pubmed:volume
171
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
59-67
pubmed:dateRevised
2009-6-8
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Maintenance nitrogen requirement of an obligate nectarivore, the honey possum, Tarsipes rostratus.
pubmed:affiliation
Department of Zoology and Centre for Native Animal Research, The University of Western Australia, Perth.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't