Adults of Triatoma vitticeps infected by flagellates similar to Trypanosoma cruzi are frequently captured by the inhabitants of rural areas in the Brazilian state of Espirito Santo. The dynamics of feeding and defecation were observed in three groups of adult triatomines, consisting of sylvatic T. vitticeps and laboratory-reared specimens of this species and T. infestans. Triatomines were obser...

Upon herbivore feeding, plants emit complex bouquets of induced volatiles that may repel insect herbivores as well as attract parasitoids or predators. Due to differences in the temporal dynamics of individual components, the composition of the herbivore-induced plant volatile (HIPV) blend changes with time. Consequently, the response of insects associated with plants is not constant either. Us...

We study the combined evolutionary dynamics of herbivore specialization and ecological character displacement, taking into account foraging behavior of the herbivores, and a quality gradient of plant types. Herbivores can adapt by changing two adaptive traits: their level of specialization in feeding efficiency and their point of maximum feeding efficiency along the plant gradient. The number o...

Persistent Organic Pollutants represent a global ecological concern due to their ability to accumulate in organisms and to spread species-by-species via feeding connections. In this work we focus on the estimation and simulation of the bioaccumulation dynamics of persistent pollutants in the marine ecosystem, and we apply the approach for reconstructing a model of PCBs bioaccumulation in the Ad...

Marine birds and mammals move between various habitats during the day as they engage in behaviors related to resting, sleeping, preening, feeding, and breeding. The per capita rates of movement between these habitats, and hence the habitat occupancy dynamics, often are functions of environmental variables such as tide height, solar elevation, wind speed, and temperature. If the system recovers ...

The upscale CNC machine is the research object, the magnetic levitation bearing technology which is suitable to AMB spindle and guide are researched. On the basis of the structure and working principle of AMB and the stiffness and damping characteristics, the performance of electromechanical coupling dynamics is studied according to the theory of traditional dynamics and the characteristics of ...

background: the early postoperative feeding after caesarean section (c- section) has remained controversial. this study was designed to evaluate the safety and efficacy of early versus delayed postcaesarean section oral feeding regarding gastrointestinal complications and patients postoperative satisfaction after c- section. methods: this clinical trial study was conducted on 200 pregnant women...

conclusion this study showed that early feeding decreased post cesarean gastrointestinal complications. results no mother experienced nausea, vomiting and illus. flatulence severity 4 and 12 hours after surgery was similar in both groups (p = 0.856, p = 0.392). however, flatulence severity 24, 36 and 48 hours after surgery, was less in the experimental group (p = 0.030, p = 0.016, p = 0.001). a...

background and purpose: inappropriate complementary feeding practices are one of the causes of malnutrition worldwide. this study was aimed to determine the complementary feeding practices according to world health organization recommendation in sari, iran. materials and methods: this cross-sectional study on complementary feeding practices assayed the different aspect of infant feeding based o...