نتایج جستجو برای: feeding rate
تعداد نتایج: 1058283 فیلتر نتایج به سال:
Introduction: The incidence of malnutrition in hospitalized patients is reported to be high. In particular, patients with esophageal cancer are prone to malnutrition, due to preoperative digestive system dysfunctions and short-term non-oral feeding postoperatively. Selection of an appropriate method for feeding in the postoperative period is important in these patients. Materials and Methods:...
The study was conducted to compare the efficiency of diets containing various levels of calcium(0, 1, 2, 3 and 4 percentage) in feeding freshwater crayfish, Astacus leptoductylus. 150 cray fish (10 individuals per tank) with mean weight of about 8-9 gram were stocked in each of 15 tanks, containing 100 L of water. In this research, The results showed that the mean values of some parameters such...
In Iran 8% of HIV- infected cases are women. Since most of them are young and in childbearing ages, in case of becoming pregnant and not receiving preventive measures, they can infect their child. Without Preventive measures transmission rate is 15 to 45 percent. Several factors such as sever stage of HIV and AIDS ,CD4 low count, high viral loud, acute retroviral phase, STDs, vaginal delivery, ...
A predator’s per capita feeding rate on prey, or its functional response, provides a foundation for predator–prey theory. Since 1959, Holling’s prey-dependent Type II functional response, a model that is a function of prey abundance only, has served as the basis for a large literature on predator–prey theory. We present statistical evidence from 19 predator–prey systems that three predator-depe...
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