Zobrazeno 1 - 10
of 15
pro vyhledávání: '"P W Morcombe"'
Publikováno v:
Australian Veterinary Journal. 73:170-173
SUMMARY Knowledge of the presence or absence of lice in a flock of sheep enables wool growers to make informed decisions as to the need for insecticidal treatments. However, with inapparent infestations, traditional methods of detection are not suffi
Publikováno v:
Australian Veterinary Journal. 72:411-414
Insecticidal dipping fluid emulsions, mixed in vitro in dam water containing suspended clay particles and 1% w/v zinc sulphate, were analysed to determine rates of settling of diazinon, cyhalothrin and cypermethrin. Fifteen minutes after mixing, the
Publikováno v:
Australian Veterinary Journal. 71:71-74
The proportion of wool bale brands with a positive test for sheep lice in baled wool decreased from 29.5% in 1987/88 to 23.2% in 1990/91 before increasing to 38.2% in 1992/93. Changes in the proportion of wool bale brands with a positive test for lic
Autor:
G. E. Young, P. W. Morcombe
Publikováno v:
Australian Veterinary Journal. 70:147-150
SUMMARY Lice were found in samples of baled wool from 198 of 464 flocks treated to eliminate an Infestation in the period July 1988 to June 1990. In 287 flocks the Insecticide was applied as a backline treatment and in 177 flocks a shower dip was use
Publikováno v:
Australian Veterinary Journal. 71:404-406
Mean concentration of cadmium (Cd) in kidneys of hogget sheep from 67 flocks grazing in the Agricultural Region of Western Australia was tested for association with soil, pastoral, climatic and nutritional factors. Hoggets grazing pastures on acidic
Publikováno v:
Australian veterinary journal. 76(1)
Objective To compare the wettability and efficacy of diazinon dip wash made with and without the addition of zinc sulphate. Design Field experiments using a shower and a plunge dip complemented by in-vitro wettability experiments. Procedure A flock o
Publikováno v:
Australian veterinary journal. 71(7)
The relative efficacy of 6 shower dip chemicals most frequently used for the treatment of sheep lice (Bovicola ovis) in Western Australia was examined. Groups of 20 sheep infested with lice were treated with products containing either alphamethrin, c
Publikováno v:
Australian veterinary journal. 69(5)
Autor:
D. J. Devereaux, F. C. Wilkinson, P. W. Morcombe, L. E. Millar, J. J. Gardner, G. C. De Chaneet
Publikováno v:
Australian veterinary journal. 69(2)
Autor:
N. J. Campbell, M. Gillibrand, Brian J. Horton, D. J. Best, W. Barr, R. T. F. Armstrong, P. W. Morcombe, J. Karlsson
Publikováno v:
Australian Journal of Experimental Agriculture. 39:529
Surveys have examined the relationship between louse and flystrike treatments on farms and the resulting residues of insect growth regulators on greasy wool. These results have been summarised using a model of the on-farm survey data. The model estim