Serum protein fluctuation in primiparous and multiparous cows during the pre-partum period
DOI:
https://doi.org/10.1590/S0103-90161995000100026Keywords:
passive immunity, colostrum, cow, NeloreAbstract
The fluctuation of serum protein was investigated in two groups of milk cows, 6 primiparous and 6 multiparous, during the last six weeks pre-partum. Electrophoresis and the biuret method were used to analyse the serum proteins. Blood was collected from the coccigeal region at 5, 4, 3, 2, 1 weeks pre-partum and at birth. The results indicate a decrease in the total protein concentration (p < 0.0001) as a consequence of immunooglobulin concentration decrease (p < 0.0001) during the experimental period. The total protein decreased from 9.82 + 0.7 g/100 ml, six weeks pre-partum, to 7.92 + 0.6 g/100 ml, at birth (minimum value registered). In the same period immunoglobutin decreased from 4.12 + 0.7 g/100 ml to 2.40 + 0.5 g/100 ml (minimum value registered). Considering the two groups of cows separately, the multiparous showed a tendency to decrease more the immunoglobulin concentration (p < 0.09), when compared to primiparous.Downloads
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Published
1995-04-01
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All content of the journal, except where identified, is licensed under a Creative Common attribution-type BY-NC.How to Cite
Serum protein fluctuation in primiparous and multiparous cows during the pre-partum period . (1995). Scientia Agricola, 52(1), 158-160. https://doi.org/10.1590/S0103-90161995000100026