Zobrazeno 1 - 10
of 31
pro vyhledávání: '"J. F. Lonneux"'
Publikováno v:
Veterinary Parasitology. 76:137-148
Psoroptes ovis counts, extent of lesions (clinical index: ClinI), daily weight gains (DWGs) and anti-P. cuniculi antibody titres in ELISA were recorded during seven therapeutic field trials. Relationship between these different data were studied. The
Publikováno v:
Veterinary Parasitology. 69:319-330
On the basis of Psoroptes ovis counts performed on day -7, 32 animals were randomly allocated to a control group of five animals or to four groups comprising six or seven animals which were treated, respectively, with pour-on ivermectin (IPO), inject
Autor:
J. F. Lonneux, Bertrand Losson
Publikováno v:
Veterinary Parasitology. 52:313-320
The field efficacy of moxidectin 0.5% pour-on formulation was assessed in heifers naturally infested with Hypoderma bovis. After their first grazing season in an infested area, 34 heifers were selected on the basis of results of an ELISA test perform
Autor:
Bertrand Losson, J. F. Lonneux
Publikováno v:
Veterinary Parasitology. 51:113-121
Field efficacy of moxidectin, a macrocyclic lactone endectocide, was evaluated in cattle naturally infested with Chorioptes bovis and Sarcoptes scabiei. Eight animals were allocated to two groups of four animals each, based on parasitological and cli
Autor:
J. F. Lonneux, Bertrand Losson
Publikováno v:
Veterinary Parasitology. 45:147-152
Field efficacy of moxidectin, a macrocyclic lactone endectocide, was evaluated in cattle naturally infested with Psoroptes ovis. Three groups of six animals were used based on parasitological and clinical status. Group 1 animals received one subcutan
Autor:
Claude Saegerman, J. F. Lonneux, Bertrand Losson, Dirk U. Pfeiffer, Koen Mintiens, F. Boelaert, D. Haine
Publikováno v:
Preventive veterinary medicine. 65(1-2)
Our objective was to determine the seroprevalence of Hypoderma spp. and to develop a spatial model describing the risk surface of warble-fly infection in Belgian cattle herds (adjusting for herd size, herd type, local temperature, rainfall, relative
Publikováno v:
Veterinary parasitology. 96(3)
An enzyme-linked immunosorbent assay (ELISA) was developed for the detection of specific antibodies against crude Psoroptes antigen. The diagnostic sensitivity was 93.7% in 191 sheep with clinical signs associated with mange. These animals originated
Publikováno v:
Veterinary research. 30(6)
Several biological parameters were measured in 31 heifers naturally infected with Fasciola hepatica during one grazing season in the Belgian Ardennes. A forecast model based on daily temperature used to assess the risk of fasciolosis was fitted to th
Publikováno v:
Veterinary research. 30(5)
Between 1989 and 1997 different factors related to warble fly infestation (prevalence, intensity, climate, breed) were studied in north-eastern Algeria. Mean prevalence during the period was 76%. This figure was obtained from a cattle market survey o
Publikováno v:
Veterinary parasitology. 83(3-4)
In cattle, infestations with P. ovis are responsible for a severe dermatitis. The disease is very common in some breeds of beef cattle whereas dairy cattle such as Frisian Holstein are considered as resistant. In order to investigate the factors resp