[PDF] Top 20 Modelling the population dynamics of Ascaris suum in pigs

... to dynamics o f helminth infections, prevalence models would be unsuitable, as two communities may exhibit the same prevalence profile yet experience different levels o f infection ... See full document

... nisher pigs. Embryonation of A. suum eggs requires at least 4 – 5 weeks at constant ideal temperature (Oksanen et ...most pigs had been in the fi nisher pens for 2 – 3 months before the sampling, it ... See full document

... the pigs due to the expulsion of the worms from the small intestine by some unknown ...the pigs recovered from the post weaning ...that pigs might be reinfected after the expulsion of adult worms ... See full document

... with pigs or pig manure (5). A. lumbricoides and A. suum may constitute two different but closely related species or may represent host-associated sub- populations or races of the same species (12, ...23). ... See full document

... of Ascaris spp. showing that hybridization between worm population of human and pig origin probably occurred which may have implications for Ascaris control programs ...A. suum by only ...A. ... See full document

... keep pigs [44], 1 of 143 human worms ...in pigs (n = 121) were anthroponotic ...in pigs from the United Kingdom that clustered with human worms, although one had a pig-like cox1 haplotype ...the ... See full document

... between Ascaris populations from different host types and locations represented in con- sensus neighbor joining trees based on 8 microsatellite ...a population corresponds to worms from only 1 host, this is ... See full document

... A. suum larval tissue migration in pigs is known to stimulate an inflammatory response, involving tissue infiltration by neutrophils, mononuclear cells, eosinophils, and mast cells at the site of infection ... See full document

... as Ascaris, is that they are very over-dispersed in the population, with a small proportion of the pop- ulation harbouring the highest number, or intensity, of worms and this is commonly represented as a ... See full document

... of Ascaris suum was studied in outdoor reared ...A. suum using experimentally infected seeder ...A. suum from the lungs and the small intestine. The last pigs were slaughtered at week ... See full document

... sister taxon to a clade containing Ascaris spp., Parascaris spp. and Baylisascaris spp. of the family Ascarididae, with strong support (Bayesian posterior probabilities = 1). Basal to these taxa were the families ... See full document

... with Ascaris suum antigen probably resulting from previous exposure to pigs infested with Ascaris ...to pigs also have shown both an immediate skin and respiratory reaction to ... See full document

... Larval length was not influenced by strain sug- gesting that the environment within both strains was equally suitable for the development of the worms and that the observed differences in relative suscep- tibility are ... See full document

... Desensitization at higher agonist concentrations Experiments at 25 ^mol P 1 acetylcholine N=5 produced a different pattern of channel opening to that observed at lower concentrations; si[r] ... See full document

... A. suum was observed for the untreated slurry but inactivation within days was achieved with ...A. suum eggs may survive in pig slurry beyond 6 months (Gaasenbeek and Borgsteede, 1998; Papajova et ...A. ... See full document

... with Ascaris suum and Trichuris suis in the suckling period (1 to 7 weeks of age) and 58 of the piglets were challenged daily with Eschericia coli O138:F8 for 9 days after weaning to induce weaning ...A. ... See full document

... A. suum, as the L3s penetrate the caecal wall in the porcine host, before undergoing hepato- pulmonary migration ...A. suum; EGL-3 is predicted to be a pro-hormone convertase involved in the maturation of ... See full document

... This research was conducted to examine several aspects of population dynamics including size distribution and growth, gonad maturity level (TKG), mortality and exploitation rate of mackerel scad (D. ... See full document

... M. pruriens is a tropical legume known as velvet bean and devils bean. The genus Mucuna belongs to the family Leguminosae and consists of 100 species of climbing vines and shrubs. The chemical compounds re- sponsible for ... See full document

... In contrast, there is a paucity of data on the impact of larval ascariasis on host fitness, including nutritional status and body weight. Part of the explanation for this relates to the difficulty of establishing a ... See full document