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Abstract

Twenty-four male Friesian calves, 3 weeks old and sired by the same bull, were reared in parasite-free conditions. At the age of nearly 3 months they were allotted to 6 groups of 4 and were given hay and 2.5 kg of one of two concentrates with starch equivalent 69 or 54% and digestible crude protein ...

Author(s)
Kloosterman, A.; Hendriks, J.; Borgsteede, F. H. M.; Brink, R. van den
Citation
Tijdschrift voor Diergeneeskunde, 1973, 98, 2, pp 55-65
Abstract

In 1971 and 1972 in 32 paddocks in The Netherlands the overwintered pasture larval infestation was positively correlated with contamination in the preceding grazing season by calves infected with trichostrongylids. Examination of herbage samples showed that Nematodirus, Cooperia and Ostertagia, in...

Author(s)
Kloosterman, A.; Baas, R. J.; Brink, R. v. d.
Citation
Tijdschrift voor Diergeneeskunde, 1974, 99, 20, pp 1053-1059
Abstract

Calves aged 3 months were infected weekly for 10 weeks with trichostrongylid larvae (90% Cooperia spp., 10% Ostertagia spp.) in 5 different doses chosen to simulate the pattern of infection acquired from the herbage in calf paddocks. Statistically, analysis revealed a linear regression of weight...

Author(s)
Kloosterman, A.; Borgsteede, F. H. M.; Hendriks, J.; Brink, R. van den
Citation
Tijdschrift voor Diergeneeskunde, 1974, 99, 2, pp 127-136
Abstract

Fifty-one calves were each inoculated with 100 000 Cooperia spp. larvae to determine resistance (the larvae were 70% C. oncophora and 30% C. surnabada). 12 resistant and 12 non-resistant animals were selected and treated twice with omnizole. In groups of 4 these calves were dosed on 3 days/week...

Author(s)
Kloosterman, A.; Van den Brink, R.
Publisher
Martinus Nijhoff for the Commission of the European Communities., The Hague, Netherlands
Citation
Epidemiology and control of nematodiasis in cattle. An animal pathology Workshop in the CEC Programme of Coordination of Agricultural Research, Royal Veterinary and Agricultural University, Copenhagen, Denmark, 4-6 February 1980. (Current Topics in Veterinary Medicine and Animal Science Vol.9.), 1981, pp 531-543
Abstract

The interactions between O. ostertagi and C. oncophora were studied in calves by concurrent and sequential infections. A reciprocal negative interaction between the 2 species was found in sequential, but not in concurrent infections. This result was supported by the finding of serological...

Author(s)
Kloosterman, A.; Albers, G. A. A.; Van den Brink, R.
Citation
Veterinary Parasitology, 1984, 15, 2, pp 135-150
Abstract

Two trials with stabled milking cows were carried out. In the first, cows were either experimentally infected with O. ostertagi larvae or served as naturally-infected controls. In the 2nd, cows were treated the same as in the first trial, but in addition half of the number of cows of each group...

Author(s)
Kloosterman, A.; Borgsteede, F. H. M.; Eysker, M.
Citation
Veterinary Parasitology, 1984, 17, 4, pp 299-308
Abstract

In 1981, 42 calves were divided into 3 equal groups. One group was treated with a bolus (B), the 2nd group was not treated (C) and the 3rd group remained indoors (I). Groups B and C were grazed separately on contaminated pasture from May 1981. From May to September, group B had a negligible egg...

Author(s)
Borgsteede, F. H. M.; Kloosterman, A.; Oostendorp, D.; Tarrij, H. van
Citation
Veterinary Parasitology, 1985, 18, 1, pp 39-49
Abstract

The clinical signs of Type I and Type II ostertagiasis in young cattle were accompanied by marked increases in the levels of plasma pepsinogen, plasma gastrin, and antibody titres to adult Ostertagia antigen. At necropsy there were significant relationships between the combined total of adult and...

Author(s)
Entrocasso, C.; McKellar, Q.; Parkins, J. J.; Bairden, K.; Armour, J.; Kloosterman, A.
Citation
Veterinary Parasitology, 1986, 21, 3, pp 173-188
Abstract

Interactions between gastrointestinal worms (Ostertagia ostertagi, Cooperia oncophora) and lungworms (Dictyocaulus viviparus) in calves were studied by assessing the effect of primary infections with either group of worms on the development of homologous or heterologous challenge infections....

Author(s)
Kloosterman, A.; Frankena, K.
Citation
Veterinary Parasitology, 1988, 26, 3-4, pp 305-320
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

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