Effects of dexamethasone on the infectivity of Trypanosoma vivax Y486 and the haematological changes in Nigerian domestic chickens (Gallus gallus domesticus)

ADEDAPO, A. A., A. B. SABA, O. A. DINA, G. M. A. OLADEJO: Effects of dexamethasone on the infectivity of Trypanosoma vivax Y486 and the haematological changes in Nigerian domestic chickens (Gallus gallus domesticus). Vet. arhiv 74, 371- 381, 2004. ABSTRACT The study was carried out to investigate how the infectivity of Trypanosoma vivax Y486 could be affected by steroid administration to Nigerian domestic chickens and to observe the haematological and serum biochemistry changes in these chickens infected with Trypanosoma vivax Y486. Results showed that T. vivax Y486 does affect the haematological parameters of Nigerian domestic chickens (Gallus gallus domesticus) as there may be development of anaemia as in large animals. However, there was no patent parasitaemia. In addition, steroid administration when applied at high doses did affect the haematological parameters of the local chickens. It thus showed that serial passaging of T. vivax Y486 can result in infectivity of the Nigerian domestic chickens with trypanosomosis.

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  2004

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  Biology, Medicine

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