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Abstract

The benzoylphenylurea acarine growth regulator fluazuron (ACATAK) was tested in 3 trials in Queensland, Australia, between October 1991 and March 1993. It was applied at 1.5 mg/kg body weight with a dose volume of 3 ml per 50 kg body weight, in 2 strips from shoulder to loin on either side of the...

Author(s)
Bull, M. S.; Swindale, S.; Overend, D.; Hess, E. A.
Citation
Australian Veterinary Journal, 1996, 74, 6, pp 468-470
Abstract

F1 steers resulting from mating of Simmental or Hereford bulls to Brahman cows, or mating of Brahman bulls to Hereford cows, in 1981-83 were compared on a commercial beef property in central Queensland. Simmental-sired steers had higher (P<0.05) live weight gains after weaning and were heavier (...

Author(s)
Esdale, C. R.; Blight, G. W.; Becker, R. S.; Becker, M. M.
Citation
Proceedings of the Australian Society of Animal Production, 1990, 18, pp 200-203
Abstract

The genetics of growth to 24 months, scrotal circumference (SC) at 24 months and temperament traits at 6, 12 and 18 months in 7 year groups of F2et seq., 1/2 Brahman, 1/2 Sahiwal, 3/4 Brahman and 3/4 Sahiwal bulls were investigated. Cattle tick (Boophilus microplus) and buffalo fly (Haematobia...

Author(s)
Fordyce, G.; Howitt, C. J.; Holroyd, R. G.; O'Rourke, P. K.; Entwistle, K. W.
Citation
Australian Journal of Experimental Agriculture, 1996, 36, 1, pp 9-17
Abstract

Two consecutive calf 'crops' consisting of 141 3/4 Brahman/1/4 shorthorn cattle (i.e. 29 steers and 40 heifers from 1981 and 30 steers and 42 heifers from 1982) were assessed for resistance to B. microplus in May, July and October 1983. Although the level of expressed resistance to artificial...

Author(s)
Stear, M. J.; Nicholas, F. W.; Brown, S. C.; Holroyd, R. G.
Citation
Veterinary Parasitology, 1989, 31, 3-4, pp 303-315
Abstract

The resistance to B. microplus of 4 herds of cattle with different Bos indicus (zebu) content (Hereford; 3/4 Hereford and 1/4 Brahman; 1/2 Hereford and 1/2 Brahman; and Brahman), grazed at each of 2 locations in the subtropics of Queensland was measured using artificial tick infestations at...

Author(s)
Sutherst, R. W.; Maywald, G. F.; Bourne, A. S.; Sutherland, I. D.; Stegeman, D. A.
Citation
Australian Journal of Agricultural Research, 1988, 39, 2, pp 299-308
Abstract

The numbers of examples of Haemaphysalis longicornis Neum. on cattle (Bos taurus) that had had no prior exposure to the tick were recorded regularly in south-eastern Queensland from July 1971 until January 1974. The tick population was large in the 1st year, but declined to low levels in the 2nd...

Author(s)
Sutherst, R. W.
Citation
Australian Veterinary Journal, 1983, 60, 1, pp 20-21
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

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

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

Genetic parameters for growth, parasite resistance and heat tolerance in zebu-cross cattle in a tropical environment were estimated by restricted max. likelihood procedures using various forms of an animal model. Estimates of h2 for direct additive genetic effects for live weights at birth,...

Author(s)
Mackinnon, M. J.; Meyer, K.; Hetzel, D. J. S.
Citation
Livestock Production Science, 1991, 27, 2/3, pp 105-122

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