Zobrazeno 1 - 10
of 11
pro vyhledávání: '"S. G. Knott"'
Publikováno v:
Australian Veterinary Journal. 54:562-565
SUMMARY A severe cattle mortality in which 132 out of 340 animals died on a property in southern Queensland was investigated. Clinical signs shown by affected animals included fever, inappetance, depression, lethargy, salivation, diarrhoea, ataxia, a
Publikováno v:
Australian Veterinary Journal. 52:451-454
Observations on the use of a vaccine containing Babesia argentina in 5 partly susceptible beef herds in south-eastern Queensland were made on 1,029 female breeding cattle over a period of 4 years. Groups averaging about 20 heifers were given 0, 1, 2
Publikováno v:
Australian Veterinary Journal. 54:115-120
SUMMARY A total of 386 clinical outbreaks of anaplasmosis were confirmed in Queensland south of the 22nd parallel over the period 1967 to 1976. Seventy-eight per cent of these outbreaks occurred during autumn and winter and only 6.8% involved cattle
Autor:
S. G. Knott, C. W. R. McCray
Publikováno v:
Australian Veterinary Journal. 35:161-165
Publikováno v:
Australian veterinary journal. 52(10)
Serums from unvaccinated groups in 5 herds of beef-cattle in South-East Queensland were tested for antibodies to Babesia argentina at intervals while the cattle were increasing in age from about 6 months. An indirect fluorescent antibody test was use
Autor:
J. F. Kearnan, F. R. Emmerson, G. H. Dunwell, R. S. Morris, Jean K. Elder, K. S. Waters, S. G. Knott
Publikováno v:
Australian veterinary journal. 56(5)
This paper reports those findings concerning property management from the 1977-78 survey of tick control in Queensland, which could effect efficient tick control and also presents a profile of the cattle industry in the tick infested areas at the tim
Publikováno v:
Australian veterinary journal. 53(1)
The epizootiology of ephemeral fever in Australia from its first recognition until 1968 was reviewed. Since 1968, ephemeral fever often in a silent form has been shown to be enzootic in northern Australia, by the use of sentinel cattle. The major epi
Autor:
F. R. Emmerson, Jean K. Elder, J. F. Kearnan, K. S. Waters, R. S. Morris, G. H. Dunwell, S. G. Knott
Publikováno v:
Australian veterinary journal. 56(5)
The results of a survey on tick control carried out in 1977-78 indicate that tick resistant cattle have been introduced for their heat and drought tolerance and their ability to grow more rapidly than European cattle, especially in the extensive graz
Autor:
Jean K. Elder, F. R. Emmerson, J. F. Kearnan, S. G. Knott, G. H. Dunwell, R. S. Morris, K. S. Waters
Publikováno v:
Australian veterinary journal. 56(5)
Survey results concerning chemical control of the cattle tick (Boophilus microplus) in Queensland are reported in detail, and differences due to region, breed and type of enterprise are discussed. The results show that chemical control was more inten
Autor:
L. P. Dadswell, S. G. Knott
Publikováno v:
Australian veterinary journal. 46(8)
Summary A severe abortion storm on a grazing property, in which 50% of Hereford cows aborted in 2 months, is described. Serological evidence suggested that the abortion storm was due to leptospirosis. Epidemiological factors associated with the abort