this study was conducted to investigate the hair production and fleece characteristics of hair goats in fars province. the material of the study included a total data of 84 hair goats, which were between kids and adult in male and female goats, respectively. the overall average for fleece weight, fiber length, staple lengths, washing yield, hair fiber diameter, of fiber diameter, breaking force...

conclusions results of this study could be applied to designing interventions, such as promotion of preventive beliefs or educational programs regarding premarital sexual relationships in conservative societies. these interventions could start within families and continue at schools and universities. objectives the aim of this study was to explore the viewpoints of sexually active single women ...

the aim of present research was to study the relation between demographic characteristics (age, sex, and family economical status) and the rate of prevalence of depression in high school students at ray city. 388 subjects (166 boys and 222 girls) were selected through stratified random sampling method. the age range of these students was between 14 to 18 years. research data was gathered throug...

in previous years, identification of fetal cells in maternal blood circulation has caused a new revolution in non-invasive method of prenatal diagnosis. low number of fetal cells in maternal blood and long-term survival after pregnancy limited the use of fetal cells in diagnostic and clinical applications. with the discovery of cell-free fetal dna (cffdna) in plasma of pregnant women, access to...

the study of cognition and attitudes toward family life and sex, particularly among the young population, is one of the important areas of health behavior. this study attempts to find the degree of knowledge and attitudes of the female students of teheran university. the findings reveal that although the girls under the study expressed some attitudes towards family life not common in the tradit...

conclusions the extract contains substances that are effective on the delivery rate, sex ratio, and the number of newborns in the female rats. it may affect through the ionic changes in the rats, by modifying the activity of follicle-stimulating and testosterone hormones, and/or changing the rate of fertilizing ability of sperms containing y chromosome. this phenomenon may also be due to loweri...