Blood samples were taken at weekly intervals from 54 dairy cows (mainly Friesians and Jerseys) during the periods 8 weeks before and 8 weeks after calving. The cows were divided into two age groups; group 1 consisting of 26 cows aged 2 1/2 years and group 2 consisting of 28 cows aged 5-9 years. The
Effects of age on erythrocyte magnesium, sodium and potassium concentrations in female dairy cattle
โ Scribed by C. M. Mulei; R. C. W. Daniel
- Publisher
- Springer Netherlands
- Year
- 1988
- Tongue
- English
- Weight
- 371 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0165-7380
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โฆ Synopsis
Effects of age on erythrocyte magnesium, sodium and potassium concentrations in female dairy cattle. Veterinury Research Communications, 12(2-3), 113-118.
The effect of age on erythrocyte Mg, Na and K concentrations and the correlations between these parameters (EMg, ENa and EK) and other blood parameters were studied in female dairy cattle ranging from 1 week to over 8 years of age. EMg concentration was higher than plasma Mg, the concentration being highest in calves 1 week old and lowest in cows 3-4 years old. ENa and EK concentrations were lower and higher respectively in calves 1 week of age than in older animals and did not show any significant age variation in those between 1 and 8 years of age. The EK concentration was more highly correlated with erythrocyte parameters (PCV, RCC, Hb, MCV, MCH, MCHC) than was either EMg or ENa concentrations. * Abstat User Manual (1982) -Anderson Bell, Canon City, Colorado, p. 49.
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