introduction: breast feeding is universally and traditionally practicised in india. experts advocate breast feeding as the best method of feeding young infants. objective: to assess the role of various factors in determining colostrum feeding in block r. s. pura of district jammu. materials and methods: a stratified two-stage design with villages as the primary sampling unit and lactating mothe...

background: the secular trend in growth is a well-documented and recurrent phenomenon in many developed and developing countries. in this study, we examined the secular trends in birth length and weight among iranian neonates. methods: this cross-sectional population-based survey was conducted between 1991 and 2011. using a two-stage stratified cluster sampling, the birth weights and heights of...

conclusions many contributing factors of drug abuse obtained in this study can influence on tendency towards drug use for new students. it is evident that the period of residency in dormitories is one of the most critical periods in students' life. thus, the concerned authorities take necessary measures to overcome the students’ mental and social problems. results different percentages of parti...

Linkage analysis has been one of the most widely used methods for identifying regions of the human genome which contain genes responsible for human diseases. Evidence suggests that the effects of some of the trait causing genes may vary with the age of an individual, giving rise to temporal trends in genetic effects. Linkage analysis routinely tends to ignore such gene-by-age interactions. Whil...

in the present study, to estimate genetic parameters and genetic and phenotypic trends in holstein dairy cows in the north of iran, the records from first lactation of 11398 collected from 1989 to 2006 were used. records were collected from 290 herds. productive traits were 305 day-2x adjusted milk and fat yield and reproductive traits were age at first calving, calving interval and dry days. g...

abstract nowadays, understanding and strengthening of social networks and services in rural settlements and consciously facility and service managing as a rural development planning trend policy not only helps the optimum distribution of facilities and resources in rural areas but physical integrity and structure of the suitable habitat space. village of shirvan, the scope of our study, is one ...