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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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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

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

Tick resistance and blood composition were studied in British (Shorthorn X Hereford) and zebu (Brahmam X British) calves from birth to 33 days of age in a tropical grazing area in Queensland in which Boophilus microplus (Can.) is endemic. Calves of the 2 breeds were naturally infested and some...

Author(s)
O'Kelly, J. C.; Spiers, W. G.
Citation
Journal of Parasitology, 1976, 62, 2, pp 312-317
Abstract

Resistance to the cattle tick Boophilus microplus was assessed in heifer herds of various breeds of beef and dairy cattle in spring and summer in Queensland. All cattle had had tick experience before assessment. Resistance levels were determined as the percentage of larval ticks that failed to...

Author(s)
Utech, K. B. W.; Wharton, R. H.; Kerr, J. D.
Citation
Australian Journal of Agricultural Research, 1978, 29, 4, pp 885-895
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

Census data on populations of Boophilus microplus (Can.) on untreated cattle that had been selected for different levels of tick resistance were collected weekly for 6 years at a cattle breeding station in central Queensland. The herds, which were grazed in separate fields, were a British Hereford...

Author(s)
Sutherst, R. W.; Wharton, R. H.; Cook, I. M.; Sutherland, I. D.; Bourne, A. S.
Citation
Australian Journal of Agricultural Research, 1979, 30, 2, pp 353-368
Abstract

The responses of skin capillary blood flow to infestation by larvae of Boophilus microplus (Can.) were determined in cattle in Australia using radioactive microspheres. Larvae were placed in gauze-covered rings glued to the closely clipped skin. In pilot experiments on 3 Brahman-cross calves which...

Author(s)
Hales, J. R. S.; Schleger, A. V.; Kemp, D. H.; Fawcett, A. A.
Publisher
CSIRO, Melbourne, Australia
Citation
Australian Journal of Biological Sciences, 34, 1, pp 37-46