نتایج جستجو برای: year of birth
تعداد نتایج: 21209968 فیلتر نتایج به سال:
a data file containing 607662 (317608) milk (open days) records belonging 294417 (177838) holstein cows that were calved from 1983 to 2008 was used. the bivariate repeatability model was used for data analyzing so that herd, calving year, calving month, days in milk (only for milk trait) and calving age for each parity, were assumed as fixed effects and additive genetics and permanent environme...
OBJECTIVE Birth defects (BDs) are an important cause of infant mortality and disproportionately occur among low birth weight infants. We determined the prevalence of BDs in a cohort of very low birth weight (VLBW) infants cared for at the Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network (NRN) centers over a 10-year period and examined the...
The aim of the present study was to estimate genetic parameters of body measurements in TurkishArabian foals. Records of wither height, front cannon circumference, heart girth, and body length were usedfor body measurements at birth, 6 months of age, 1-year-old and 2-year-old. Heritability of bodymeasurements of Turkish Arabian foals was estimated by using records of foals sired by stallions wh...
introduction: congenital gastrointestinal (gi) malformation occurs due to mal development of gi organs. the diagnosis is based on clinical exam and radiography. the aim of this study was to determine prevalence of gastrointestinal anomalies in imam reza hospital deliveries mashhad, iran. materials and methods: in retrospective descriptive study for one year since 1.8.1391 all deliveries in our ...
OBJECTIVE To estimate the seroprevalence of rubella and associated factors. METHODS Population-based seroprevalence study in a random sample of 2,124 individuals, aged six to 64 years, representative by age, sex and area in Medellín, Colombia, 2009. Biological and socioeconomic variables were analyzed for their association with serum protection against rubella, according to birth-year cohort;...
background: low birth weight (lbw or birth weight <2500 g) is one of the most serious health problems in today's world. objective: the purpose of this study was to evaluate growth parameters of neonatal intensive care unit (nicu) admitted lbw preterm neonates at corrected ages of 6 and 12 months. materials and methods: in a prospective cohort (follow up) study, all lbw preterm neonates whom wer...
OBJECTIVE Several groups have reported apparent association between month of birth and multiple sclerosis. We sought to test the extent to which such studies might be confounded by extraneous variables such as year and place of birth. METHODS Using national birth statistics from 2 continents, we assessed the evidence for seasonal variations in birth rate and tested the extent to which these a...
BACKGROUND AND AIM: Dental caries is a multifactorial disease that affects people of any age, sex, and race. Significant caries index (SiC index) has been defined by World Health Organization (WHO) to evaluate caries status in different societies. The aim of this study was to determine the SiC index in 15-year-old children in Kerman. METHODS: This descriptive cross-sectional study was carried o...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید