نتایج جستجو برای: agkistrodon halys
تعداد نتایج: 578 فیلتر نتایج به سال:
The egg parasitoids Trissolcus japonicus (Ashmead) and mitsukurii (Hymenoptera: Scelionidae) are the most effective biocontrol agents of invasive agricultural pest Halyomorpha halys (Stål) (Heteroptera: Pentatomidae) in its native range (east Asia). T. sympatric areas. In northern Italy, where H. is a major fruit orchards, adventive populations both species spreading, artificially released unde...
BACKGROUND Evidence-based priority setting is increasingly important for rationally distributing scarce health resources and for guiding future health research. We sought to quantify the contribution of a wide range of infectious diseases to the overall infectious disease burden in a high-income setting. METHODOLOGY/PRINCIPAL FINDINGS We used health-adjusted life years (HALYs), a composite me...
Whereas crude bovine thrombin activated single-chain urokinase-type plasminogen activator (scu-PA), otherwise called pro-urokinase (pro-UK), purified human thrombin converted pro-UK (scu-PA) to a two-chain form that had no amidolytic activity. The two chains (Mr approximately 33,000 and 22,000) were disulfide linked and resistant to subsequent activation by plasmin. By contrast, thrombin did no...
The effect of hypofibrinogenemia on production of the generalized Shwartzman reaction (GSR) by the administration of Thorotrast (3 mI/kg) and Escherichia coil endotoxin (50 jzg) to rabbits was determined. Severe hypofibrinogenemia (fibrinogen less than 15 mg/ 100 ml) was produced by Arvin, a proteolytic coagulant from the venom of the Malayan pit viper, Agkistrodon rhodostoma. Development of th...
Predation can be an important factor in shaping the behavior and ecology of species (Tuttle & Ryan 1981). Over evolutionary time, behavior is shaped to maximize net benefits as predicted by optimality models (Smith 1978). Because the cost of defense may affect fitness (Ueta 1999; Van Buskirk 2000; Raberg & Stjernman 2003), we might expect individuals to make behavioral decisions based on contex...
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