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Opskrif; Chemiese beheer van bosluise en die ... - Landbou.com

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SCHNITZERLING, H., NOLAN, J. & HUGHES, S., 1989. Toxicology and<br />

metabolism of isomers of flumethrin in larvae of pyrethroid-susceptible and<br />

resistant strains of cattle tick Boophilus microplus. Experim<strong>en</strong>tal and Applied<br />

Acarology, 6, 47~54.<br />

SCHUNTNER, C.A., ROULSTON, W.J. & SCHNITZERLING, H.J., 1968. A<br />

mechanism of resistance to organophosphorous acaricides in a strain of the<br />

cattle tick Boophilus microplus. Australian Journal of Biological Sci<strong>en</strong>ces,<br />

21, 97.<br />

SCHOLTZ, M.M., SPICKETT, A.M., LOMBARD, P.E. & ENSLIN, C.B.,<br />

1991. The effect of tick infestation on the productivity of cows of three<br />

breeds of cattle. Onderstepoort Journal of Veterinary Research, 58, (in<br />

press).<br />

SERVICE, M.W. 1996. Medical <strong>en</strong>tomology. Chapman & Hall. U.K. Pp.234-<br />

262.<br />

SHAW, R.D. ,1966. Culture of an organophosphorous-resistant strain of<br />

Boophilus microplus (Can.) and an assessm<strong>en</strong>t of its resistance spectrum.<br />

Bulletin of Entomological Research, 56, 389-409.<br />

SHAW, R.D., THOMPSON, G.E. & BAKER, J.A.F., 1967. Resistance to<br />

cholinesterase-inhibitors in the blue tick, Boophilus decoloratus, in South<br />

Africa. Veterinary Record, 81, 548.

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