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Abstract

Ten of 20 heifers aged 9-18 months were each dosed with 2 g albendazole 31, 62 and 93 days after being turned out to graze in spring, the other ten were left untreated, and grazed an adjoining strip of pasture. This treatment prevented parasitic gastroenteritis, and the treated animals had lower...

Author(s)
Dorny, P.; Vercruysse, J.; Berghen, P.; Hilderson, H.; Ommeslaeghe, K. van; Kloosterman, A.
Citation
Vlaams Diergeneeskundig Tijdschrift, 1988, 57, 6, pp 361-373
Abstract

An ELISA was used to detect serum pepsinogen and albumen, gastrin and antibodies against Cooperia, Ostertagia and Dictyocaulus species for diagnosis of parasitism in 7 untreated 5-8 month old calves and 7 calves treated with an oxfendazole pulse-release bolus (OPRB). During the grazing season, no...

Author(s)
Hilderson, H.; Vercruysse, J.; Dorny, P.; Berghen, P.; Kloosterman, A.
Citation
Preventive Veterinary Medicine, 1990, 8, 4, pp 283-290
Abstract

Two outbreaks of parasitic gastroenteritis were observed in a group of 10 first-season grazing calves, one in mid-July and one in mid-September. In both cases emergency anthelmintic treatment was needed to prevent further damage. Severe clinical signs were observed together with high faecal egg...

Author(s)
Berghen, P.; Dorny, P.; Hilderson, H.; Vercruysse, J.; Hollanders, W.
Citation
Veterinary Record, 1990, 127, 17, pp 426-430
Abstract

Thirty parasite-naive Holstein-cross heifers aged 7 to 12 months were allocated into 3 groups and were treated with either an oxfendazole pulse release bolus (Repidose) administered orally at turnout or ivermectin (Ivomec) injected s.c. at 200 µg/kg at 3, 8 and 13 weeks after turnout or untreated...

Author(s)
Hollanders, W.; Berghen, P.; Dorny, P.; Hilderson, H.; Vercruysse, J.; Ryan, W. G.
Citation
Veterinary Record, 1992, 130, 16, pp 355-356
Abstract

Ostertagia ostertagi adult worm extracts were analysed by Western blotting using sera from calves experimentally infected with O. ostertagi and Cooperia oncophora. Strong differences in antigen recognition were noticed, even between animals from the same group. Two Ostertagia specific antigens with ...

Author(s)
Graaf, D. C. de; Berghen, P.; Hilderson, H.; Claerebout, E.; Vercruysse, J.
Citation
International Journal for Parasitology, 1994, 24, 5, pp 681-688
Abstract

The efficacy of two strategic treatments with doramectin (sc 200 µg/kg bodyweight) was studied in 20 first-season Holstein crossbred calves. The calves were allocated to two equal groups: Group D was treated with doramectin at turn-out and 8 weeks later and Group C served as control group. Tracers...

Author(s)
Vercruysse, J.; Hilderson, H.; Claerebout, E.; Roelants, B.
Citation
Veterinary Parasitology, 1995, 58, 1/2, pp 27-34
Abstract

The persistence of the efficacy of moxidectin 0.5% pour-on and moxidectin 1% injectable against O. ostertagi and D. viviparus in calves was studied in 2 experimental trials. In the first trial 2 groups of 7 calves were treated with either the pour-on or the injectable formulation, while a third...

Author(s)
Vercruysse, J.; Claerebout, E.; Dorny, P.; Demeulenaere, D.; Deroover, E.
Citation
Veterinary Record, 1997, 140, 3, pp 64-66
Abstract

A study was conducted in 1994-95 on a commercial dairy cattle farm in Belgium, to evaluate the efficacy of 2 topical treatments with doramectin on the season-long control of lungworm and gastrointestinal infections in first grazing season (FGS) calves. At the start of the study, 20 FGS calves were...

Author(s)
Vercruysse, J.; Dorny, P.; Claerebout, E.; Weatherley, A.
Citation
Veterinary Parasitology, 1998, 75, 2/3, pp 169-179
Abstract

In 1998 a questionnaire was sent to 2280 dairy cattle farmers in Flanders, Belgium, to investigate whether the pasture management included measures to control gastrointestinal nematodes, whether chemoprophylaxis was applied and whether chemoprophylaxis and grazing management were integrated, rather ...

Author(s)
Claerebout, E.; Agneessens, J.; Demeulenaere, D.; Vercruysse, J.
Citation
Vlaams Diergeneeskundig Tijdschrift, 2000, 69, 2, pp 108-115
Abstract

Over a period of 1 year, from November 1997 to October 1998, the abomasa, blood and faecal samples of 121 dairy cows in Belgium were collected and examined for nematode infections. Nematodes were present in the abomasa of 110 animals. Ostertagia ostertagi was found in all 110, Trichostrongylus was...

Author(s)
Agneessens, J.; Claerebout, E.; Dorny, P.; Borgsteede, F. H. M.; Vercruysse, J.
Citation
Veterinary Parasitology, 2000, 90, 1/2, pp 83-92

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