Results 71 to 80 of about 216,259 (220)

Do the biological characteristics of trout (Salmo trutta) smolts influence their spring migration timing and maiden marine sojourn duration?

open access: yesJournal of Fish Biology, EarlyView.
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

Non‐native pink salmon Oncorhynchus gorbuscha carcasses benefit native benthic macroinvertebrates

open access: yesJournal of Fish Biology, EarlyView.
Abstract The invasion of the North Atlantic by pink salmon Oncorhynchus gorbuscha has raised concerns regarding their impact on coastal rivers. Although the influence of marine‐derived nutrients from returning adult O. gorbuscha on rivers in their native range has received much attention, the ecological consequences of invasive O.
Hui Wei   +9 more
wiley   +1 more source

Fish welfare in a changing world: New developments and current challenges

open access: yesJournal of Fish Biology, EarlyView.
Abstract The welfare of non‐human animals is central to ethical discussions on animal use, with increasing attention to fish welfare across research, aquaria, aquaculture, and fisheries. This paper reviews current theoretical approaches to animal welfare and recent advances in defining and assessing fish welfare since the seminal paper by Huntingford ...
Sonia Rey Planellas   +16 more
wiley   +1 more source

Ectoparasites of Antarctic Seals and Birds [PDF]

open access: yes, 1967
The arthropod fauna decreases from the Subantarctic to the Antarctic, and many of the known species are ectoparasites of seals and birds. These comprise ticks, fleas, feather mites, respiratory mites and lice, both Mallophaga and Anoplura.
M.D. Murray
core   +1 more source

Bath Treatments With Emamectin Benzoate Control Dactylogyrideans Infecting Colossoma macropomum Gills Without Altering Physiology of This Host Fish

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Intensification of fish aquaculture worldwide has led to severe problems of diseases caused by parasitic dactylogyrideans. In this study, the anti‐dactylogyridean efficacy of treating Colossoma macropomum with baths of emamectin benzoate (EMB) was investigated for the first time, along with the effects of this treatment on the haematology and ...
Raimundo Rosemiro de Jesus Baia   +4 more
wiley   +1 more source

Models of care and relevance of territorial management in assisting persons with epilepsy

open access: yesGlobal & Regional Health Technology Assessment
Epilepsy is a widespread social disease that affects people of all ages and often involves both diagnostic and therapeutic difficulties. Beyond seizure control, it is necessary to ensure people with epilepsy a good quality of life and respect for human ...
Oriano Mecarelli
doaj   +1 more source

Human Pathogens in Body and Head Lice

open access: yesEmerging Infectious Diseases, 2002
Using polymerase chain reaction and sequencing, we investigated the prevalence of Rickettsia prowazekii, Bartonella quintana, and Borrelia recurrentis in 841 body lice collected from various countries. We detected R.
Pierre-Edouard Fournier   +4 more
doaj   +1 more source

Present and future potential of plant-derived products to control arthropods of veterinary and medical significance [PDF]

open access: yes, 2014
The use of synthetic pesticides and repellents to target pests of veterinary and medical significance is becoming increasingly problematic. One alternative approach employs the bioactive attributes of plant-derived products (PDPs). These are particularly
Finn, Robert   +3 more
core   +1 more source

Lack of Lumpfish (Cyclopterus lumpus) Susceptibility to the Infectious Salmon Anaemia Virus (ISAV) Using In Vivo Challenges

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Infectious salmon anaemia virus (ISAV) can cause disease and mortality in Atlantic salmon (Salmo salar). The virus is endemic in several regions including the Atlantic coast of Canada. Lumpfish (Cyclopterus lumpus) are increasingly utilised as cleaner fish to control sea lice levels in Atlantic salmon farms.
Nellie Gagné   +5 more
wiley   +1 more source

Occupational Asthma and Contact Urticaria in a Wildlife Worker With Type I Hypersensitivity to Deer Dander

open access: yes
Contact Dermatitis, EarlyView.
Eglė Janušonytė   +3 more
wiley   +1 more source

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