PMID: 3944290Jan 1, 1986

Erythrocyte surface sialic acid in Ndama and Zebu cattle

Journal of Comparative Pathology
K A N EsievoL O Eduvie


Erythrocyte surface sialic acid concentrations were measured in the trypano-tolerant Ndama and trypano-susceptible Zebu breeds of cattle. All animals were uninfected and had no records of previous exposure to infection by African pathogenic trypanosomes. Ndama adults had significantly (P less than 0.001) higher erythrocyte surface sialic acid concentrations than Ndama calves. Ndama adults and calves had significantly (P less than 0.001) higher erythrocyte surface sialic acid concentrations than Zebu adults. There were no significant differences between the packed cell volume (PCV), haemoglobin (Hb) concentrations and total leukocyte counts (WBC) of these breeds. The finding of much higher erythrocyte surface sialic acid concentrations (about 7-fold) in the Ndama than in the Zebu is discussed in relation to the induction of anaemia by trypanosome sialidase in both breeds and to how a relative trypano-tolerance may occur in the Ndama.


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Nov 1, 1973·Tropical Animal Health and Production·C J Roberts, A R Gray
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Oct 31, 1981·The Veterinary Record·K A N EsievoS S Tulpule


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Mar 26, 1998·International Journal for Parasitology·K A Taylor
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Mar 1, 1987·Journal of Comparative Pathology·G C OnyemelukweE N Obinechie
Mar 28, 2008·Memórias do Instituto Oswaldo Cruz·Ana Luiza Alves Rosa OsórioSylvio Celso Gonçalves da Costa

Related Concepts

Bos indicus
Red Cell Ghost
Sialic Acids
Trypanosomiasis, Bovine

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