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Abstract

I. The authors report what they claim to be the first record of the helminths mentioned below: -Fasciola hepática was found, in the European bison and elk, apparently originating from infested red or fallow deer on the same ground. Eggs of Moniezia sp. were found in the faeces of the elk and bison, ...

Author(s)
Wetzel, R.; Enigk, K.
Citation
S. B. Ges. naturf. Fr. Berl, 1936, pp 162-164 pp.
Abstract

O. lyrata has been found in the abomasum of cattle and T. longispicularis in the small intestine. The copulatory bursa and spicules of O. lyrata differ from those of O. ostertagi and O. circumcincta. The spicules of T. longispicularis are slightly longer than those of T. colubriformis; the...

Author(s)
Rose, J. H.
Citation
Nature, London, 1959, 183, pp 1745-1746
Abstract

At 3 locations in Louisiana, USA, naturally infected yearling cattle were killed monthly over a 3-year period (1977-80) for worm counts. At 2 of the locations in 1978-79 tracer calves were grazed for monthly periods from late autumn to summer and these were also killed for worm counts. Ostertagia...

Author(s)
Williams, J. C.; Knox, J. W.; Baumann, B. A.; Snider, T. G.; Kimball, M. D.; Hoerner, T. J.
Citation
International Journal for Parasitology, 1983, 13, 2, pp 133-143
Abstract

In 2 controlled tests in late October 1981 and late May 1982 in Kentucky, USA, dairy calves naturally infected with gastro-intestinal nematodes were treated with a bolus formulation of levamisole at 8 mg/kg. In the 1981 test, involving 3 treated and 3 control calves, the drug removed 98% of mature...

Author(s)
Lyons, E. T.; Drudge, J. H.; Tolliver, S. C.; Hemken, R. W.; Button, F. S., Jr.
Citation
American Journal of Veterinary Research, 1983, 44, 9, pp 1760-1762
Abstract

This review pays special attention to Ostertagia ostertagi, but also mentions Haemonchus, Trichostrongylus and other genera of lesser importance in North America. The anthelmintics currently available in USA are coumaphos, haloxon, levamisole, phenothiazine, thiabendazole and morantel tartrate....

Author(s)
Williams, J. C.
Citation
Veterinary Clinics of North America, Large Animal Practice, 1983, 5, 1, pp 183-205
Abstract

Larval cultures prepared from faeces collected at 2-week intervals from feeder cattle originating from Michigan, Oklahoma and Kentucky, and kept in a feedlot in Michigan, were examined during the winter and spring of 1979. The animals received anthelmintic treatment shortly after entering the...

Author(s)
Schillhorn van Veen, T. W.; Melancon, J. J.
Citation
Veterinary Parasitology, 1984, 14, 2, pp 159-163
Abstract

The derivation of a method using resident and tracer calves to determine whether or not Ostertagia ostertagi had arrested its development in cattle during the summer is described. Application of this method to the O. ostertagi population in calves in Missouri, USA, during winter 1980-81 showed...

Author(s)
Brauer, M. A.; Corwin, R. M.
Citation
Bovine Practitioner, 1984, No.19, pp 208-212
Abstract

Groups of 15 yearling steers, grazed separately, were given one morantel sustained release bolus (MSRB, containing 13.5 g morantel base and 22.7 g of morantel tartrate) at the start of the trial, one therapeutic dose of thiabendazole at the start of the trial, or were left untreated. Every other...

Author(s)
Hawkins, J. A.; Evans, R. R.; Newby, T. J.; Johnson-Delivorias, M. H.; Tyler, T. D. L.
Citation
Veterinary Parasitology, 1985, 17, 3, pp 229-238
Abstract

In Quebec, Canada, 32 calves, comprising 9 Hereford steers, one Hereford heifer, 14 Holstein crossbred steers and 8 Holstein crossbred heifers, were allotted into 2 treatment groups and maintained throughout the grazing season on adjacent pastures resulting from equivalently dividing one original...

Author(s)
Gadbois, P.; Fréchette, J. L.; Villeneuve, A.; Groves, B. I.
Citation
Canadian Veterinary Journal, 1985, 26, 4, pp 127-131
Abstract

Recent submissions to the veterinary diagnostics laboratory in Amarillo, Texas, USA, indicated that stage II ostertagiasis may be a greater problem in imported stocker/feeder cattle than previously expected. Results suggest that stage II ostertagiasis may be a significant cause of cattle that never ...

Author(s)
Hollis, L. C.
Citation
Southwestern Veterinarian, 1985, 36, 3, pp 200

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