Postnatal handling of rat pups is known to alter permanently hypothalamic-pituitary-adrenal (HPA) responses to a wide variety of stressors. As adults, handled (H) and nonhandled (NH) animals also differ in sensitivity to the delayed negative-feedback effects of glucocorticoids on stress-induced HPA activity. However, it is not understood how handling alters neuroendocrine responses to stressful...

The study on the ecophysiological impacts of stress in female Persian sturgeon broodfishes revealed that the average cortisol level varried in all broodfish caught at the Sefidrud River (163.38±21.2ng mL-1), Sefidrud River estuary (260.27±19.7ng mL-1) and Gorganrud River estuary (179.38±20.8ng mL-1). The variations in serum glucose levels were 140.65±12.05mg dL-1, 144.44±5.9mg dL-1 and 126.24±1...

In this paper a constitutive model formulated in the framework of multi-laminate models is applied to analyze pipe-jacking processes. The multi-laminate -based models consider various integration planes to formulate the stress-strain relationship. This basic feature of the framework has the advantage that yield criteria, flow and hardening rules are formulated on planes rather than in three-dim...

Free-ranging animals often cope with fluctuating environmental conditions such as weather, food availability, predation risk, the requirements of breeding, and the influence of anthropogenic factors. Consequently, researchers are increasingly measuring stress markers, especially glucocorticoids, to understand stress, disturbance, and population health. Studying free-ranging animals, however, co...

The nature of human-animal interactions is an important factor contributing to animal welfare and productivity. Reducing stress during routine husbandry procedures is likely to improve animal welfare. We examined how the type of early handling of calves affected responses to two common husbandry procedures, ear-tagging and disbudding. Forty Holstein-Friesian calves (n = 20/treatment) were expos...

Climatic conditions determine the energy and nutrient metabolism of farm animals and have a major influence on livestock heath, welfare and performance. There are upper and lower critical temperatures for different animal species and age groups. Reducing thermal stress in animal production remains a topic of concern with producers and scientists alike. In order to limit the impact of extreme cl...

When designing a car, the vehicle dynamics and handling are important aspects, as they can satisfy purpose in professional racing, well contributing to driving pleasure safety, real perceived, regular drivers. In this paper, we focus on assessment of emotional response drivers while track with different car setups. The experiments were performed using dynamic simulator prearranged We recorded v...

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