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Abstract

Mammomonogamus nasicola occurred in 364 (34%) of 1062 zebu cattle examined from the Central African Empire. The mean intensity of infection was 2.8 pairs/animal, but larger numbers were not uncommon. The biology, pathology, economic and geographic distribution of M. nasicola in Africa are discussed.

Author(s)
Vercruysse, J.
Citation
Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 1978, 31, 4, pp 427-430
Abstract

In the western region of the Central African Republic, Toxocara vitulorum, Strongyloides papillosus, Haemonchus placei, Bunostomum phlebotomum, Oesophagostomum radiatum, Cooperia punctata, C. pectinata, Thelazia rhodesii, Moniezia sp., Trichostrongylus sp., Nematodirus sp. and Trichuris sp. were...

Author(s)
Vercruysse, J.
Citation
Bulletin of Animal Health and Production in Africa, 1980, 28, 3, pp 191-194
Abstract

Abomasal nematodes were recovered from 89% of 157 cows slaughtered between March 1984 and April 1985, at an abattoir in East Flanders, Belgium. Faeces and blood were also collected from the animals. 118 cows (75%) had a low to moderate helminth burden (10-10 000) and 21 cows (13.5%) had a high...

Author(s)
Vercruysse, J.; Dorny, P.; Berghen, P.; Geeraerts, J.
Citation
Veterinary Parasitology, 1986, 22, 3/4, pp 285-291
Abstract

The calves grazed a pasture which had been used by bolus-treated animals in the three previous years. Despite an incomplete reduction of faecal egg shedding during the first months of the grazing season, bolus administration prevented parasitic gastro-enteritis in the calves. A weight gain...

Author(s)
Dorny, P.; Berghen, P.; Vercruysse, J.; Frankena, K.
Citation
Veterinary Quarterly, 1986, 8, 3, pp 189-194
Abstract

The efficacy of an oxfendazole pulse release bolus system for the control of parasitic gastroenteritis and parasitic bronchitis in first-season grazing calves was evaluated in Belgium. Twenty-two calves were allocated in two groups. The calves in one group received a bolus at the time of turn out,...

Author(s)
Vercruysse, J.; Dorny, P.; Berghen, P.; Frankena, K.
Citation
Veterinary Record, 1987, 121, 13, pp 297-300
Abstract

Blood pepsinogen concentrations in cattle were determined, using a simple, direct method based on the hydrolysing effect of serum on buffered bovine albumin substrate (2 g/dl). The amount of tyrosine released was measured at 680 nm, using the Folin and Ciocalteu colorimetric method. To ensure an...

Author(s)
Berghen, P.; Dorny, P.; Vercruysse, J.
Citation
American Journal of Veterinary Research, 1987, 48, 4, pp 664-669
Abstract

A field experiment was carried out in Pennsylvania, USA, to evaluate the use of an experimental albendazole pulse release bolus (E-bolus) on gastrointestinal parasitism in calves. The bolus was administered at turnout to 9 first-season grazing calves and 9 animals were kept as controls on a...

Author(s)
Dorny, P.; Vercruysse, J.; Hilderson, H.; Berghen, P.; Ommeslaeghe, K. van; Kloosterman, A.
Citation
Veterinary Research Communications, 1988, 12, 4-5, pp 335-342
Abstract

The course of serum pepsinogen concentration was studied in 6 calves infected experimentally with Ostertagia, and in 43 calves on 4 premises, exposed to infested pasture. Serum pepsinogen was also measured in 44 cows, 15 of which had positive faecal egg counts for Ostertagia. It was confirmed that...

Author(s)
Berghen, P.; Dorny, P.; Vercruysse, J.; Hilderson, H. M.
Citation
Vlaams Diergeneeskundig Tijdschrift, 1988, 57, 3, pp 157-173
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

Levamisole was applied to 13 cattle aged 8-12 months as a pour-on formulation, 3, 6, and 9 weeks after the start of grazing at 10 mg/kg body weight. Another 13 were injected s.c. with ivermectin at 0.2 mg/kg 3 and 8 weeks after the start of grazing. Faecal output of nematode eggs was much lower in...

Author(s)
Vercruysse, J.; Hilderson, H.; Dorny, P.; Berghen, P.
Citation
Veterinary Quarterly, 1988, 10, 4, pp 225-229

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