Search Results - "Nansen, Peter"

Parasitic helminths of the pig: factors influencing transmission and infection levels by Nansen, Peter, Roepstorff, Allan

“…The occurrence of parasitic helminth species as well as infection intensities are markedly influenced by the type of swine production system used. The present…”
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Investigation of the parasitic nematode Ascaridia galli (Shrank 1788) as a potential vector for Salmonella enterica dissemination in poultry by CHADFIELD, Mark, PERMIN, Anders, NANSEN, Peter, BISGAARD, Magne

“…During recent years, the level of organically farmed poultry in Denmark has increased. Subsequent investigations have demonstrated an incidence of 64% of…”
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Growth and structural features of the adult stage of Ascaris suum (Nematoda, Ascaridoidea) from experimentally infected domestic pigs by Fagerholm, H.P. (Royal Veterinary and Agricultural University, Copenhagen, Denmark.), Nansen, P, Roepstorff, A, Frandsen, F, Eriksen, L

“…For studying the morphogenesis of the adult stage of Ascaris suum, worms were obtained from experimentally infected domestic pigs. Structural and morphometric…”
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Distribution of Taenia saginata cysts by muscle group in naturally infected cattle in Tanzania by Maeda, Godfrey E., Kyvsgaard, Niels Chr, Nansen, Peter, Bøgh, Henrik O.

“…The distribution of Taenia saginata cysts among organs and muscle groups was determined by slicing the heart, masseters, liver and muscles of the half carcass…”
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Prevalence and distribution of gastro-intestinal helminths and haemoparasites in young scavenging chickens in upper eastern region of Ghana, West Africa by Poulsen, Johanne, Permin, Anders, Hindsbo, Ole, Yelifari, Lawrence, Nansen, Peter, Bloch, Paul

“…We conducted a cross-sectional study to determine the prevalence and species of gastro-intestinal helminths and haemoparasites in 100 chickens kept under…”
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Visceral larva migrans: migratory pattern of Toxocara canis in pigs by Helwigh, Anne B, Lind, Peter, Nansen, Peter

“…The migratory pattern of Toxocara canis was investigated following infection of pigs with 60 000 infective eggs. Groups of six pigs were slaughtered at 7, 14…”
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False-positive Ascaris suum egg counts in pigs by Boes, Jaap, Nansen, Peter, Stephenson, Lani S.

“…False-positive Ascaris suum egg counts in pig faeces are frequently observed under both experimental and natural conditions. Data from 12 experiments with A…”
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Fingerprinting sequence variation in ribosomal DNA of parasites by DGGE by Gasser, Robin, Nansen, Peter, Guldberg, Per

“…Although there is a tendency for rDNA genes within a species to maintain sequence homogeneity, there can be significant levels of variation among rDNA repeat…”
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DIFFERENTIATION OF CUTICULAR STRUCTURES DURING THE GROWTH OF THE THIRD-STAGE LARVA OF ASCARIS SUUM (NEMATODA, ASCARIDOIDEA) AFTER EMERGING FROM THE EGG by Fagerholm, Hans-Peter, Nansen, Peter, Roepstorff, Allan, Frandsen, Flemming, Eriksen, Lis

“…In order to monitor the early phases of the development of Ascaris suum from domestic pigs, third-stage larvae, retrieved from the liver and the lungs, were…”
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Ascaris suum: a revision of its early migratory path and implications for human ascariasis by Murrell, K.D, Eriksen, L, Nansen, P, Slotved, H.C, Rasmussen, T

“…During the course of carrying out studies on the role of intestinal immunity in blocking the migration of larval Ascaris suum in the pig, it was discovered…”
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A mutation scanning approach for the identification of hookworm species and analysis of population variation by Gasser, Robin B, Monti, Jennifer R, Bao-Zhen, Qian, Polderman, Anton M, Nansen, Peter, Chilton, Neil B

“…To overcome limitations in the morphological identification of different developmental stages of hookworms to species, we have established a polymerase chain…”
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Isolation and characterisation of sex-specific transcripts from Oesophagostomum dentatum by RNA arbitrarily-primed PCR by Boag, Peter R., Newton, Susan E., Hansen, Niels-Peter, Christensen, Charlotte M., Nansen, Peter, Gasser, Robin B.

“…In light of the lack of molecular data on the sexual differentiation, maturation and interaction of parasitic nematodes of livestock, the present study…”
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Differentiation of Cuticular Structures during the Growth of the Third-Stage Larva of Ascaris suum (Nematoda, Ascaridoidea) after Emerging from the Egg by Fagerholm, Hans-Peter, Nansen, Peter, Roepstorff, Allan, Frandsen, Flemming, Eriksen, Lis

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Schistosoma japonicum infection in the pig as a model for human schistosomiasis japonica by Johansen, Maria V, Bøgh, Henrik Ø, Nansen, Peter, Christensen, Niels Ø

“…Valuable information on human schistosomiasis japonica has been provided using primates and experimental rodent hosts. However, major drawbacks such as high…”
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Experimental Ascaris suum infection in the pig: protective memory response after three immunizations and effect of intestinal adult worm population by Jungersen, Gregers, Eriksen, Lis, Roepstorff, Allan, Lind, Peter, Meeusen, Els N.T., Rasmussen, Tina, Nansen, Peter

“…The protective immune response to larval migration in pigs, with or without adult intestinal worm populations, 10 weeks after 3 weekly Ascaris suum…”
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Ascaridia galli populations in chickens following single infections with different dose levels by PERMIN, A, BOJESEN, M, NANSEN, P, BISGAARD, M, FRANDSEN, F, PEARMAN, M

“…In all, 3 groups of 20 Lohman Brown chickens aged 1 day were orally infected with doses of 100, 500, or 2,500 embryonated Ascaridia galli eggs, respectively…”
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Schistosoma japonicum in the pig: the host-parasite relationship as influenced by the intensity and duration of experimental infection by Willingham, 3rd, A L, Hurst, M, Bøgh, H O, Johansen, M V, Lindberg, R, Christensen, N O, Nansen, P

“…Parasitologic, clinicopathologic, and pathologic aspects of Schistosoma japonicum infections of varying durations and intensities were studied in growing pigs…”
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In vitro characterization of anthelmintic susceptibility of field isolates of the pig nodular worm Oesophagostomum spp., susceptible or resistant to various anthelmintics by Várady, Marián, Bjørn, Henrik, Nansen, Peter

“…A larval development assay (LDA) and an egg hatch paralysis assay (EHPA) were used to measure the sensitivity to anthelmintics of eggs and larvae of nodular…”
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In vitro characterization of lines of Oesophagostomum dentatum selected or not selected for resistance to pyrantel, levamisole and ivermectin by Várady, Marián, Bjørn, Henrik, Craven, Jeffrey, Nansen, Peter

“…Lines of Oesophagostomum dentatum artificially selected or not selected for resistance to pyrantel, levamisole and ivermectin were used in this study. From the…”
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Biological control of gastro-intestinal nematodes — facts, future, or fiction? by Larsen, Michael, Nansen, Peter, Grønvold, Jørn, Wolstrup, Jens, Henriksen, Svend Aage

“…The potential of using fungi to prevent nematodosis caused by parasites with free-living larval stages is well documented today. In this respect Duddingtonia…”
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