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Abstract

Of 1249 male cattle examined in the slaughterhouse at Kandy, Sri Lanka, during 1987, 40% were infected with M. laryngeus (range 34 to 52%). The infection rate was highest (47%) in 2- to 2.5-year-old animals. In infected animals an average of 6.4 parasite pairs was found with higher numbers in older ...

Author(s)
Aken, D. van; Bont, J. de; Fransen, J.; Vercruysse, J.
Citation
Journal of Helminthology, 1989, 63, 1, pp 47-52
Abstract

A second trial of the oxfendazole pulse-release bolus confirmed the good results against ostertagiasis of types I and II obtained previously in Belgium (Vercruysse et al. 1987). This was applied when the animals were turned out to graze in spring. Another "front-loaded" type of bolus, applied in...

Author(s)
Berghen, P.; Hilderson, H.; Vercruysse, J.; Dorny, P.; Kloosterman, A.
Citation
Vlaams Diergeneeskundig Tijdschrift, 1989, 58, 1, pp 14-19
Abstract

A 3-year analysis of 1653 individual records of plasma pepsinogen concentrations of 190 first season grazing calves in Belgium showed that only 196 records of 61 animals showed pepsinogen values above 3600 mU tyrosine and that only 26% of these were accompanied by visible clinical signs of...

Author(s)
Hilderson, H.; Berghen, P.; Vercruysse, J.; Dorny, P.; Braem, L.
Citation
Veterinary Record, 1989, 125, 14, pp 376-377
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

Daily changes in serum gastrin and pepsinogen concentration were studied during 2 types of infection with O. ostertagi in calves. In a first experiment 2 calves were trickle infected (10 times 10 000 L3 Ostertagia) and 2 animals received a single infection of 100 000 L3 Ostertagia. Gastrin and...

Author(s)
Hilderson, H.; Dorny, P.; Berghen, P.; Vercruysse, J.; Fransen, J.; Braem, L.
Citation
Journal of Veterinary Medicine. Series B, 1991, 38, 1, pp 25-32
Abstract

An experiment was conducted in calves to investigate the efficacy of a morantel sustained release trilaminate bolus (MSRT) to control gastrointestinal parasitism and to assess the development of immunity during the use of MSRT. Two groups (M and U) of 4 calves each were infected 3 times a week with ...

Author(s)
Vercruysse, J.; Dorny, P.; Hilderson, H.; Berghen, P.
Citation
Veterinary Parasitology, 1992, 44, 1/2, pp 97-106
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

Gastrin values were evaluated in 130 parasite-free calves, in 61 first season grazing calves during 6 field trials and in 8 experimentally infected adult immune cows. The gastrin values were linked to pepsinogen levels and daily weight gain. Also the influence of thiabendazole treatment on...

Author(s)
Hilderson, H.; Vercruysse, J.; Berghen, P.; Dorny, P.; McKellar, Q. A.
Citation
Journal of Veterinary Medicine. Series B, 1992, 39, 3, pp 187-192
Abstract

The antigenic differences among the life cycle stages of C. oncophora were studied by SDS-gel electrophoresis and Western blotting. Sodium dodecylsulphate polyacrylamide gel electrophoresis of the different life cycle stage of C. oncophora revealed a complex protein pattern with a decreasing number ...

Author(s)
Graaf, D. C. de; Hilderson, H.; Berghen, P.; Vercruysse, J.
Citation
Research in Veterinary Science, 1992, 53, 3, pp 390-392

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