Browsing 1980 Onderstepoort Journal of Veterinary Research, Volume 47, 1980 by Author "Boomker, Jacob Diederik Frederik"

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A description of the immature stages of Kirkioestrus minutus (Rodhain & Bequaert, 1915) (Diptera : oestridae), and the life cycle and seasonal prevalence of this fly in blue wildebeest

Horak, Ivan Gerard; De Vos, Valerius; Boomker, Jacob Diederik Frederik; Steyn, P.J.J; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Pretoria : Government Printer., 1980)

Descriptions of the 1st, 2nd and 3rd instar larvae and the puparium of Kirkioestrus minutus are given. First instar larvae, which have not previously been described, can be distinguished from other oestrid larvae by the ...
The haemocytology and histology of the haemopoietic organs of South African freshwater fish. II. Erythrocytes and thrombocytes of Clarias gariepinus and Sarotherodon mossambicus

Boomker, Jacob Diederik Frederik; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by the Government Printer, Pretoria., 1980)

This paper describes the light-microscopic appearance of both the erythrocytes and the thrombocytes and their developmental stages of catfish (Clarias gariepinus) and Mozambique bream (Sarotherodon mossambicus). Apart from ...

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