Sökning: "parasite prevalence"

Visar resultat 1 - 5 av 35 avhandlingar innehållade orden parasite prevalence.

1. 1. On the Effects of Blood Parasites in Wild Birds

   Författare :Peter Halvarsson; Jacob Höglund; Staffan Bensch; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Atoxoplasma; avian malaria; coccidia; Gallinago media; Haemoproteus; Leucocytozoon; parasite prevalence; Passer montanus; Plasmodium; recapture mod-els; survival; Biologi med inriktning mot populationsbiologi; Biology with specialization in Population Biology;

   Sammanfattning : Coccidian and haemoatozoan parasites are commonly occurring endo-parasites in wild birds and prevalence can vary among species and populations. In addition to prevalence studies, parasites are often used to investigate effects on life history traits. LÄS MER

3. 2. Host-Parasite Interactions in Natural Populations

   Författare :Peter Halvarsson; Jacob Höglund; Carles Vilà; Stuart Piertney; Zooekologi Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Arvicola terrestris; avian malaria; balancing selection; Major histocompatibility complex; parasitetranscriptome; Populationsbiologi; Population Biology;

   Sammanfattning : Parasitism is one of the most common ways of living and it has arised in many taxa. Parasites feed and live inside or on their hosts resulting in both long and short term consequences for the host. This thesis is exploring the phenotypic and genotypic effects of animals living with parasitic infections. LÄS MER

4. 3. Giardiasis in Leon, Nicaragua : prevalence and protection

   Författare :Aleyda Téllez Sierra; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :;

   Sammanfattning : Giardia intestinalis is endemic in Nicaragua and affects children early in their lives. Infected individuals may be asymptomatic or suffer from acute or chronic diarrhea, malabsorption and weight loss. The prevalence of Giardia intestinalis infection in the population of León-Nicaragua was investigated. LÄS MER

5. 4. Amoebiasis : diagnosis and prevalence in León Nicaragua

   Författare :Byron Leiva; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :;

   Sammanfattning : About ten yearly cases of liver abscess are presented in University Hospital, León, Nicaragua. Based on serology most of them have been shown to be amoebiasis cases. This raised the question of Entameoba histolytica prevalence in the population. Based on microscopy of stool specimens and serology, about 20% prevalence was found. LÄS MER

7. 5. Settlement, larval production and prevalence of the shore crab parasite SACCULINA CARCINI Thompson 1836

   Författare :Malin Werner; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : .... LÄS MER