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<br />. ..
<br />
<br />COMPARATIVE INFECTION RATES OF THEILERIA P ARV A LA WRENCEIIN SALIVARY GLANDS
<br />
<br />negative aspect. These findings contrast with the
<br />findings for the tilapia O. mossambicus (Barham et
<br />al., 1988, 1989) which is an eminently suitable candi-
<br />date for electronarcosis. Of
<br />
<br />The reasons for the observed erratic m~vements
<br />of carp are not clear and will need further investiga-
<br />tion. Physiological resl?onses of carp to electronarco-
<br />sis will be reported on 10 another paper.
<br />
<br />ACKNOWLEDGEMENTS
<br />
<br />The financial support of the University of Zulu-
<br />land and the Rand Afrikaans University is gratefully
<br />acknowledged.
<br />
<br />REFERENCES
<br />
<br />BARHAM,.W. T., SCHOONBEE, H. J. & VISSER, J. G: J., 1987a.
<br />The dC:5lgn .and development of an alternating current electro.
<br />narcosIs umt for use with freshwater fish. Publication series of
<br />the University of Zululand. Series B64, 20 pp.
<br />BARHAM. W. T., SCHOONBEE, H. J. & VISSER, J. G. J., 1987b.
<br />The use of electronarcosis as anaesthetic in the cichlid, Oreo.
<br />chromis mossambicus (Peters). 1. General experimental proce.
<br />dures. and the role of fish length on the narootizing effects of
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<br />54,617-622. '
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<br />BARHAM, W. T., SCHOONBEE, H. J. & VISSER, J. G. J., 1988.
<br />The use of electronarcosis as anaesthetic in the cichlid, Oreo-
<br />
<br />/
<br />
<br />,.---
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<br />chromis mossambicus (Peters). II. The effects of changing phy-
<br />sical and electrical parameters on the narcotizing ability of al-
<br />ternating current. Onderstepoort Journal of Veterinary Re-
<br />search, 55, 205-215.
<br />
<br />BARHAM, W. T., SCHOONBEE, H. J. & VISSER, J. G. J., 1989.
<br />The use of electronaroosis as anaesthetic in the cicWid, Oreoch-
<br />romis mossambicus (Peters). III The effects of chan~ng fhysi-
<br />cal and electrical parameters on the narootizing abihty 0 half.
<br />wave rectified current, Onderstepoort Journal of Veterinary Re-
<br />search, 56,67-71. ..
<br />
<br />FERREIRA, J. T., 1979. Bereiding en evaluering van benzocaine-
<br />hidrochloried as narkosemiddel vir varswatervis. M.Sc. disser-
<br />tation, Rand Afrikaans University.
<br />
<br />FERREIRA, J. T., 1982. Evaluering van benzocaine-hidrochloried
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<br />
<br />SARlO, S., 1987. Fisheries and fish culture in Israel. Bamidgeh 39
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<br />
<br />VIOLA. S. & ARIELI. Y.. 1983. Evaluation of different grains as
<br />basic ingredients in complete fish feeds for carp and tilapia in
<br />intensive culture. Bqmidgeh 35 (2), 38-43. .
<br />
<br />VIOLA, S., ARIELI, Y., & ZOHAR, G., 1988. Unusual feedstuff
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