Survey of parasite control programs used in captive wild ruminants
Abstract 10.1002/zoo.1430090506.abs The purpose of this study was to document, through a mailed questionnaire survey, the methods of parasite control currently used in captive wild ruminants. There was a 69% overall response to the survey. The majority of respondents indicated that they used parasite surveillance and identification techniques similar to those used for domestic ruminants. […]
Variation in the reproductive potential of Schistocephalus infected male sticklebacks is associated with 11-ketotestosterone titre
Parasites can impact host reproduction by interfering with host endocrine systems, but the adaptive nature of such effects is disputed. Schistocephalus solidus plerocercoids are parasites of three-spined sticklebacks Gasterosteus aculeatus that are often associated with impaired host reproduction. Here, we relate reproductive behavior and physiology to levels of the androgen 11-ketotestosterone (11KT) in naturally infected […]
Notes on the Husbandry and Long-Term Transportation of Bull Ray (Pteromylaeus bovinus) and Dolphinfish (Coryphaena hippurus and Coryphaena equiselis)
Bull rays (Pteromylaeus bovinus) and Dolphinfish (Coryphaena hippurus and Coryphaena equiselis) were collected in Olhão (south of Portugal). These animals hosted multiple parasites, namely Caligus spp., and underwent a variety of treatments to remove them. Of all treatments tested, hydrogen peroxide showed the best results, although only concentrations above 100 ppm were effective in parasite […]
Ectoparasitic sea lice (Lepeophtheirus salmonis) affect behavior and brain serotonergic activity in Atlantic salmon (Salmo salar L.): Perspectives on animal welfare
Scientific research and public debate on the welfare of animals in human custody is increasing at present. Fish are in this context mentioned with particular attention to the high numbers of individuals reared in aquaculture. Research on fish has also contributed to the understanding of individual variation in the ability to cope with stress and […]
Causes of mortality in anuran amphibians from an ex situ survival assurance colony in Panama
The success of ex situ survival assurance populations as tools for amphibian conservation depends on the health and reproductive success of founder populations. Necropsy examination and histopathology of animals that die in assurance populations are useful for the identification of population-limiting disease problems and can help to direct applied research efforts in areas such as […]