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Abstract

The results are presented of 2 field trials in Queensland in 1978-80 in which cattle with low resistance to ticks [Boophilus microplus] (i.e. thse infested with many ticks) in Brahman-cross breeder groups (more than 65% Brahman content) were identified and culled. Removal of 16% of the cattle in a...

Author(s)
Waters, K. S.; Round, J.; Bond, J.
Citation
Queensland Agricultural Journal, 1985, 111, 3, pp 161-162
Abstract

The host resistance of Bos taurus (British) and B. indicus X B. taurus (Zebu X British) steers and heifers to cattle tick Boophilus microplus was measured monthly for 2.5 years in south-eastern Queensland. The cattle either grazed native pasture, with or without a supplement of lucerne pellets, or...

Author(s)
Sutherst, R. W.; Kerr, J. D.; Maywald, G. F.; Stegeman, D. A.
Citation
Australian Journal of Agricultural Research, 1983, 34, 3, pp 329-339
Abstract

The effect of Boophilus microplus on steers was investigated using three levels of infestation during summer 1980, autumn-winter 1980 and summer 1981. Mean losses in liveweight per engorged female tick during each of the three periods were 0.72, 0.47 and 1.52 g per tick respectively. The 1980...

Author(s)
Sutherst, R. W.; Maywald, G. F.; Kerr, J. D.; Stegeman, D. A.
Citation
Australian Journal of Agricultural Research, 1983, 34, 3, pp 317-327
Abstract

The effects of bi-monthly dipping with Promacyl [3-methyl-5-(1-methylethyl)phenyl methyl(1-oxobutyl)carbamate] and no dipping on tick (Boophilus microplus (Can.)) numbers and liveweight gain of young Bos indicus × B. taurus cattle grazing tick-infested improved pastures were compared in 3...

Author(s)
Mellor, W.; O'Rourke, P. K.; Waters, K. S.
Publisher
Australian Agricultural Council, Melbourne, Australia
Citation
Australian Journal of Experimental Agriculture and Animal Husbandry, 1983, 23, 123, pp 348-353
Abstract

Rectal and skin temperatures and resistance to Boophilus microplus (Can.) were studied in male calves of the Brahman (Zebu) breed, of Shorthorn × Hereford hybrids, and of hybrids of these crosses with Africander or Brahman cattle. In comparative artificial infestations of Hereford × Shorthorns (HS) ...

Author(s)
O'Kelly, J. C.; Spiers, W. G.
Citation
Journal of Medical Entomology, 1983, 20, 5, pp 498-505
Abstract

A project that began in Queensland 20 years earlier is described in which Sahiwal bulls are crossed with Holstein-Friesian cows in order to combine the resistance to Boophilus microplus (Can.) exhibited by the Sahiwal breed of cattle with the milk-production capacity of the Holstein-Friesians in...

Author(s)
Reason, G. K.
Citation
Queensland Agricultural Journal, 1983, 109, 3, pp 135-138
Abstract

Bos indicus-crossbred calves (groups of 180 and 124) exposed to natural Babesia bovis infection in wet and dry tropical environments in northern Queensland, Australia, were tested for antibodies using the indirect haemagglutination (IHA) test. There was evidence of maternal antibodies suggesting...

Author(s)
Kudamba, C.; Campbell, R. S. F.; Paull, N. I.; Holroyd, R. G.
Citation
Australian Veterinary Journal, 1982, 59, 4, pp 101-104
Abstract

Breeding in Queensland for resistance to Boophilus microplus (Can.) was undertaken in a herd of Australian Illawarra Shorthorn (AIS) cattle in 1961--78 and in a herd of Brahman X AIS cattle in 1970--79; breeder cows and their progeny were assessed for tick resistance in October--January. Resistance ...

Author(s)
Utech, K. B. W.; Wharton, R. H.
Citation
Australian Veterinary Journal, 1982, 58, 2, pp 41-46
Abstract

Transmission of Babesia bovis by Boophilus microplus (Can.) was studied in 4 breeding herds of European and Zebu X European cattle in Queensland under different levels of tick infestation in 4 pastures on one station. The observations consisted of weekly counts of female ticks on the cattle,...

Author(s)
Mahoney, D. F.; Wright, I. G.; Goodger, B. V.; Mirre, G. B.; Sutherst, R. W.; Utech, K. B. W.
Citation
Australian Veterinary Journal, 1981, 57, 10, pp 461-469
Abstract

Integrated control strategies for Boophilus microplus (Can.) on Zebu X British cattle in southern Queensland are explored using computer modelling. A brief description of the tick population is followed by an investigation of the effectiveness of host resistance as a basis for tick control. Since...

Author(s)
Sutherst, R. W.; Norton, G. A.; Maywald, G. F.
Publisher
Australian Veterinary Association., Artarmon, Australia
Citation
Ticks and tick-borne diseases. Proceedings of a symposium held at the 56th annual conference of the Australian Veterinary Association, Townsville, 14-18 May 1979., 1980, pp 46-51

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