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The effect on creatinine kinase activity of freezing plasma from healthy foals
S F Forsyth1, N Lopez-Villalobos, C W Rogers
1Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand. S.F.Forsyth@massey.ac.nz
Aim:
To assess the stability of creatine kinase (CK) activity in plasma collected from healthy foals and frozen at -20 degrees C for up to 12 weeks.
Methods:
Samples of venous blood drawn from 25 foals were analysed for CK activity soon after collection, and again after 1 and 12 weeks of freezing at -20 degrees C.
Results:
CK activity decreased (p<0.001) between Week 0 and Week 1 and between Week 0 and Week 12.
Conclusions And Clinical Relevance:
Decreases in CK activity were statistically significant but clinically insignificant.
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