Results 51 to 60 of about 120,133 (199)
Modeling salmon lice effects on sea trout population dynamics using an individual-based approach
Salmon lice Lepeophtheirus salmonis infestation of sea trout Salmo trutta results in both additional marine mortality and behavioral changes which may contribute to sea trout population decline.
RD Hedger +6 more
doaj +1 more source
Jumping plant-lice of the Paurocephalinae (Insecta, Hemiptera, Psylloidea): systematics and phylogeny [PDF]
Much confusion exists with respect to the content and definition of the psyUid subfamily Paurocephalinae. Based on a cladistic analysis of 22 morphological characters (16 adult and 6 larval), the subfamily is redefined to comprise the following five ...
Burckhardt, Daniel, Mifsud, David
core
The salmon louse, Lepeophtheirus salmonis is an ectoparasite of salmonid fish in the Northern Hemisphere, causing large economical losses in the aquaculture industry and represent a threat to wild populations of salmonids.
Muhammad Tanveer Khan +3 more
doaj +1 more source
ABSTRACT Municipal collaborations such as shared service centers and joint ventures are widely promoted as ways to strengthen local service capacity. Yet they often develop in uneven and sometimes unstable ways. This paper examines why arrangements built on similar institutional promises take such different trajectories in practice.
Isabell Meltzer +1 more
wiley +1 more source
Patterns of prevalence in chewing lice (Phthiraptera) on wild birds are poorly known, as are the underlying factors that influence these patterns. Here, we analyze a data set consisting of published prevalence data of lice on shorebirds, as well as new ...
Alexandra Ashley Grossi +5 more
doaj +1 more source
Vectors and Vector‐Borne Diseases: Biology, Epidemiology and Integrated Control Strategies
ABSTRACT Vector‐Borne Diseases (VBDs), transmitted by arthropods such as mosquitoes, ticks, fleas and sandflies, represent a significant threat to global health. These diseases can be caused by a variety of pathogens, including bacteria, viruses, protozoa, and helminths.
Roberta Rinaldi +4 more
wiley +1 more source
Impact of ivermectin administered for scabies treatment on the prevalence of head lice in Atoifi, Solomon Islands. [PDF]
Scabies and head lice are ubiquitous ectoparasitic infestations that are common across the Pacific Islands. Ivermectin is an effective treatment for both conditions, although the doses used vary.
Asugeni, R +8 more
core +6 more sources
Bartonella quintana and Typhus Group Rickettsiae Exposure among Homeless Persons, Bogotá, Colombia
In 2015, we investigated Bartonella quintana and typhus group rickettsiae in body lice from homeless persons in Bogotá, Colombia. We found B. quintana–infected body lice and seroprevalence of this microorganism in 19% of homeless persons and typhus group
Álvaro A. Faccini-Martínez +7 more
doaj +1 more source
An epidemiological (cross-sectional) and therapeutic (randomized controlled field trial) study was conducted on sheep lice in Sayint district, South Wollo, Northeast Ethiopia.
Simegn Legesse +3 more
doaj +1 more source
Abstract Anadromous salmonids migrate seaward to exploit feeding and growth opportunities in marine habitats, yet how smolt biological characteristics influence their marine migratory behavior remains poorly understood. This study used 9 years of trout (Salmo trutta) population monitoring data from 15,595 tagged age‐0+ parr, 1033 smolts detected ...
Jonathan P. Gillson +11 more
wiley +1 more source

