Zobrazeno 1 - 10
of 15
pro vyhledávání: '"M. G. Smeal"'
Publikováno v:
Australian Veterinary Journal. 63:18-21
The results show that significant increases in salivary cortisol concentration can be caused by castration and that the level of this response may differ significantly between alternative castration procedures. Control values indicate that the saliva
Publikováno v:
Australian Veterinary Journal. 56:80-86
Pasture plots in 3 climatic regions were contaminated with worm eggs of Ostertagia ostertagi, Trichostrongylus axei, Haemonchus spp and Cooperia spp in the autumn, winter and spring. Successive pairs of parasite-free calves were grazed on the plots f
Autor:
M. G. Smeal, A. D. Donald
Publikováno v:
Parasitology. 85:21-25
SUMMARYOn a coastal farm in New South Wales where beef and dairy cattle production was carried on side-by-side, separate pasture plots were contaminated with eggs of Ostertagia ostertagi by calves from each production system in autumn, winter or spri
Publikováno v:
Australian Veterinary Journal. 56:74-79
Trends in the numbers of infective nematode larvae on pasture plots contaminated by cattle at different seasons of the year were defined in 3 different climatic regions. The main nematodes were Ostertagia ostertagi, Trichostrongylus spp, Haemonchus s
Autor:
M G Smeal, A. D. Donald
Publikováno v:
Parasitology. 82:389-399
SUMMARYPasture plots in a warm coastal region were separately contaminated in the autumn, winter and spring with eggs of a coastal strain of Ostertagia ostertagi derived from dairy calves. At the same times, a parallel set of plots was contaminated b
Autor:
G. A. Hendy, M. G. Smeal
Publikováno v:
Journal of Helminthology. 46:201-211
A technique is described for the recovery of strongyloid infective larvae from bulk pasture samples. Pasture sediment washed from herbage is first concentrated, and then larvae are separated by subjecting small portions of sediment to the influence o
Autor:
M. G. Smeal
Publikováno v:
Australian Veterinary Journal. 44:516-521
Publikováno v:
Australian Veterinary Journal. 46:356-360
Summary Resistance to thiabendazole has been found in two strains of Trichostrongylus colubriformis from sheep. These strains occurred in flocks on research properties where the anthelmintic had been used at frequent intervals for experimental purpos
Autor:
C. A. Hall, M. G. Smeal
Publikováno v:
Australian Veterinary Journal. 60:329-331
SUMMARY The efficiency of a new benzimidazole anthelmintic, triclabendazole, was tested against cumulative infections with Fasciola hepatica aged 1 to 12 weeks in sheep and compared with that of rafoxanide. At 10 mg/kg, triclabendazole was 99% effect
Autor:
M. G. Smeal, A. D. Donald
Publikováno v:
Parasitology. 89
SUMMARYDuring autumn and winter, separate pasture plots were seeded with Ostertagia ostertagi eggs produced by worms which had persisted in the host over summer as inhibited larvae, or which had developed directly from larvae acquired from pasture in