Extracellular fluid distribution in tropical merino sheep

Macfarlane W.V., Morris R.J.H., Howard B. and Budtz-Olsen O.E. (1959) Extracellular fluid distribution in tropical merino sheep. Australian Journal of Agricultural Research, 10 2: 268-286. doi:10.1071/AR9590268


Author Macfarlane W.V.
Morris R.J.H.
Howard B.
Budtz-Olsen O.E.
Title Extracellular fluid distribution in tropical merino sheep
Journal name Australian Journal of Agricultural Research   Check publisher's open access policy
ISSN 0004-9409
Publication date 1959
Sub-type Article (original research)
DOI 10.1071/AR9590268
Volume 10
Issue 2
Start page 268
End page 286
Total pages 19
Subject 1100 Agricultural and Biological Sciences
Abstract Merino ewes and wethers maturing from 12 to 53 months of age were studied for 3 1/2 years in the field at Julia Creek (lat. 21° S.) during summer and winter. Measurements were made of plasma volume and extracellular volume, plasma proteins, haemoglobin, haematocrit, and plasma electrolytes. The range of normal in apparently healthy sheep was found to be very wide. Large changes took place in the fluid volumes during the period of investigation; the changes appeared to be independent of seasons but to a great extent determined by nutrition. Poorly nourished sheep as a whole had increased extra- cellular fluid space, and the space shrank again on improved pasture. Age and sex did not influence the fluid volumes. Lactation was associated with an increase in fluid spaces, and yard feeding with a decrease. Non-tropical sheep introduced from lat. 30° S. during winter had similar fluid volumes to the tropical sheep when investigated 2 months after their arrival. Tropical Merinos at any age or season had larger plasma volumes than sheep kept in laboratory pens in Brisbane or in Melbourne.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 28 Jun 2016, 07:45:30 EST by System User