The rumen as a water store in sheep

Hecker J.F., Budtz-Olsen O.E. and Ostwald M. (1964) The rumen as a water store in sheep. Australian Journal of Agricultural Research, 15 6: 961-968. doi:10.1071/AR9640961


Author Hecker J.F.
Budtz-Olsen O.E.
Ostwald M.
Title The rumen as a water store in sheep
Journal name Australian Journal of Agricultural Research   Check publisher's open access policy
ISSN 0004-9409
Publication date 1964
Sub-type Article (original research)
DOI 10.1071/AR9640961
Volume 15
Issue 6
Start page 961
End page 968
Total pages 8
Subject 1100 Agricultural and Biological Sciences
Abstract The rumen fluid volume in sheep was measured by the method of phenol red dilution. Serial determinations made in 22 sheep deprived of food and water for up to 8 days showed that the greatest decrease in rumen fluid volume occurred during the first 2-3 days, the magnitude of the decrease depending on the initial volume. After the third day, the rate of loss of rumen fluid became slower as the rumen fluid volume became depleted. Sheep deprived of food only gave similar results to those deprived of both food and water. This absorption of rumen fluid during the first 2-3 days of food and water deprivation may account for the expansion Of plasma volume which has been recorded on the third day. In a group of eight sheep deprived of food and water for 4 days, the mean rumen volume loss for the period amounted to about half the body weight loss. These results support the view that in the sheep, the water balance of the body proper is kept virtually unaltered by fluid drawn from the alimentary tract during the first days of water deprivation. The animal does not become dehydrated, in the physiological sense, until this reserve is depleted. For this reason, the rumen may be regarded as a water “store” in sheep.
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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