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The relationship between certain blood cations in cows with milk fever and both the state of consciousness and the position of cows when attended
Author(s) -
FENWICK DC
Publication year - 1988
Publication title -
australian veterinary journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.382
H-Index - 59
eISSN - 1751-0813
pISSN - 0005-0423
DOI - 10.1111/j.1751-0813.1988.tb14275.x
Subject(s) - sodium , milk fever , potassium , chemistry , magnesium , calcium , medicine , endocrinology , phosphorus , zoology , blood plasma , lactation , biochemistry , biology , pregnancy , organic chemistry , ice calving , genetics
SUMMARY: In one study, a comparison was made of the concentrations and ratios of certain blood cations in 2 groups of cows with milk fever, one showing normal consciousness (n = 8) and the other depressed consciousness (n = 24). There were no significant differences in the mean concentrations of serum total calcium, plasma inorganic phosphorus and potassium, erythrocyte sodium and potassium, the serum calcium/serum magnesium ratio or the plasma sodium/erythrocyte sodium ratio. There were significant differences (all P < 0.05) in the mean (± SD) concentrations of serum magnesium and plasma sodium concentrations, and the plasma sodium/serum magnesium ratio of 0.8 ± 0.28 vs 1.2 ± 0.37 mmol/l, 155 ± 3.0 vs 147 ± 6.4 mmolll and 180 ± 40.1 vs 116 ± 34.1 for normal vs depressed cows, respectively. In a second study, a comparison was made of the concentrations and ratios of the same blood cations in 3 groups of cows in different positions when attended for milk fever, namely standing (n = 6), sternal recumbency (n = 24) and lateral recumbency (n = 31). There were no significant differences between the mean concentrations or ratios of any of the cations.