نتایج جستجو برای: percentage of protonymph mortality
تعداد نتایج: 21194834 فیلتر نتایج به سال:
In the United States, different racial and ethnic groups have very different infant mortality patterns. When assessing the relative contribution of the percentage of preterm births and gestational age-specific infant mortality rates to racial and ethnic infant mortality differences, we found that for non-Hispanic black women, 78 percent of their elevated infant mortality rate compared with non-...
The masculinization effects of 17α-methyltestosterone were investigated on the two developmental stages of guppy (Poecilia reticulate), namely, newly born fry and gravid females. The first group was treated with two doses of androgen, (30 and 60 mg/kg food), each for a period of 15 and 30 days and the second group (gravid females) was treated with the food doses of 400, 450 & 500 mg/kg in a 10 ...
the data used in this research were according to survival rate records of 9700 lambs from 735 rams and 8082 ewes, which collected at moghani flock breeding research station during the year 1365 to 1390. the frequency distribution causes of culling and survival distribution function of lambs to yearling age were estimated by sas (2000). results revealed that 49.81 percent of total lambs were cul...
The masculinization effects of 17α-methyltestosterone were investigated on the two developmental stages of guppy (Poecilia reticulate), namely, newly born fry and gravid females. The first group was treated with two doses of androgen, (30 and 60 mg/kg food), each for a period of 15 and 30 days and the second group (gravid females) was treated with the food doses of 400, 450 & 500 mg/kg in a 10 ...
A new species from the genus Cosmolaelaps, with potential to control western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), were collected litter and remains of plant material on soil different rose greenhouses in The Netherlands. Collected specimens used initiate a laboratory colony. Subsequently, sample mites developmental stages analysed morphologically, by m...
ارتباط نابرابری جنسیتی و شاخصهای مربوط به کودکان در کشورهای با سطوح درآمد مختلف: یک مطالعه اکولوژیک
Background: Gender inequality index shows reduction in human development due to inequality between men and women, which results in vulnerability to diseases. Therefore, this study aimed to investigate gender inequality in all countries with different levels of income and analyze the relationship between gender inequality index and indicators related to children. Methods: The present ecological...
background: there are several plant extractions which are being used for mosquito control. the aim of this study was to evaluate the efficacy of olea vera, linum usitatissimum and piper nigera against anopheles stephensi and aedes aegypti under laboratory conditions. methods: these tests were carried out using who recommended bioassay method for adult mosquitoes. results: the extracts from blac...
Objective Royal jelly is a honey bee secretion that possesses beneficial effects on the nervous system. The present study investigates the effects of royal jelly in reducing convulsion and anxiety in mice. Methods In this experimental study to assess royal jelly's anticonvulsant effects, 25 male albino mice were randomly classified into five groups: control, royal jelly 100 mg/kg, royal jelly ...
Breast cancer is among the most prevalent cancers in Taiwan. The National Health Insurance database was used to identify patients with breast cancer and estimate the yearly prevalence and incidence of breast cancer between 1997 and 2013. Joinpoint regression analysis was used for the annual percentage change of incidence, prevalence, and survival outcome. Among 12,181,919 female beneficiaries i...
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