Instrumental insemination of Apis mellifera L.queens is a widely employed technique used in honeybee breeding that enables the effective control of mating.However, drone semen represents a potential source of honeybee viruses.In this study, 43 semen doses collected from apparently healthy drones, and consequently used in instrumental insemination,
Local failure of Make Up one or more components due to abnormal loading can induce the progressive collapse of a building structure.In this study, by the aid of available full-scale test results on double-span systems subjected to the middle column loss scenario, an extensive parametric study was performed to investigate the effects of different de
Many American kestrel (Falco sparverius) populations are declining across North America.Potential causes include mortality from reduction in food availability, a changing climate, Upper Spray Connection Tube habitat degradation, an increase in avian predators, disease, and toxins.We analyzed American kestrel count and banding data from seven raptor
Sleep is a nearly universal behavior that is regulated Contact Lens Solution by diverse environmental stimuli and physiological states.A defining feature of sleep is a homeostatic rebound following deprivation, where animals compensate for lost sleep by increasing sleep duration and/or sleep depth.The fruit fly, Drosophila melanogaster, exhibits ro