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1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986
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Browsing 1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986 by Author

Browsing 1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986 by Author "Vermeulen, N.M.J."

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The detection of antibodies to Cowdria ruminantium in serum and C. ruminantium antigen in Amblyomma hebraeum by an enzyme-linked immunosorbent assay

Neitz, Albert Walter Herman; Viljoen, G.J.; Bezuidenhout, J. Dürr; Oberem, P.T.; Vermeulen, N.M.J.; Van Wyngaardt, Wouter; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1986)

A sensitive and reliable enzyme-linked immunosorbent assay for the detection of antibodies to Cowdria ruminantium in serum and C. ruminantium antigen in Amblyomma hebraeum nymphae is described. For the screening of antibodies, ...
Detection of Cowdria ruminantium antigen and antibody during the course of heartwater disease in sheep by means of an enzyme-linked immunosorbent assay.

Neitz, Albert Walter Herman; Viljoen, G.J.; Oberem, P.T.; Visser, L.; Vermeulen, N.M.J.; Bezuidenhout, J. Dürr; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1986)

An enzyme-linked immunosorbent assay was used to detect Cowdria ruminantium antibodies during the course of heartwater disease. IgM antibodies reached a maximum on the 4th day after infection and disappeared on the 7th ...
Investigations into the function and chemical compositions of the porose areas secretion of Rhipicephalus evertsi evertsi during oviposition

Neitz, Albert Walter Herman; Vermeulen, N.M.J.; Gothe, R.; Senekal, A.C.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1986)

Major differences were observed in hexane, ethanol and butanol extracts of eggs obtained from Rhipicephillus evertsi evertsi females in which the porose areas functioned normally (AP⁺ eggs) and from R. evertsi evertsi in ...
Isolation of Cowdria ruminantium by means of Percoll density gradient centrifugation and detection by an enzyme-linked immunosorbent assay

Neitz, Albert Walter Herman; Verschoor, J.A. (Jan Adrianus), 1953-; Viljoen, G.J.; Bezuidenhout, J. Dürr; Oberem, P.T.; Putterill, John Fraser; Visser, L.; Vermeulen, N.M.J.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1986)

The isolation of Cowdria ruminantium by means of Percoll density gradient centrifugation permits the recovery of partially purified viable populations of the organism possessing distinctly different densities. These ...

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Browsing 1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986 by Author "Vermeulen, N.M.J."

Browsing 1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986 by Author "Vermeulen, N.M.J."

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