نتایج جستجو برای: type of birth
تعداد نتایج: 21267059 فیلتر نتایج به سال:
In the present study, blood samples were collected from 97 Adani goat from Bushehr province in order to identify the polymorphism in the exon II region of MHC-DRB1 gene (Major Histocompatibility Complex) and also, its association with growth traits (birth weight and 3 months weight). Genomic DNA was extracted from blood samples. A 279-bp fragment was amplified using polymerase chain reaction (P...
data utilized in this study were 6800 records of lambs’ life longevity, and survival rate from 263 sires and 1839 dams collected from 1989 through 2009, from the lori-bakhtiari flock at shooli station in shahrekord. the data were analyzed, using linear and hazard ratio models along with weibul function. these models included such non genetic factors as year and month of birth, sex of lamb, type...
The present study was performed to evaluate the on-station growth performance of local and Dorper × local crossbred sheep in eastern Amhara region, Ethiopia. Data on 302 lambs collected over a 4-year period (2009 to 2012) on local and Dorper × local crossbred sheep at Sirinka breeding, evaluation and distribution site were used in this study. Fixed effects considered were breed, lamb sex, birth...
Background:Spermatogenesis is maintained by a pool of the spermatogonia. The group formed by As, Apr and Aal is known as undifferentiated type a spermatogonia (Aund). The Aal spermatogonia will differentiate, with no mitotic division, to the differentiating type A1 spermatogonia. The type A1 spermatogonia undergo 6 successive mitotic divisions to yield A2, A3, A4, intermediate-type (In), and ty...
Background & Aims: Attention deficit hyperactivity disorder (ADHD) is one of the most common psychiatric disorders in children. Lack of attention and recognition can have harmful effects on the individual and family. This study aimed to investigate the relationship between attention deficit / hyperactivity (ADHD) in children with premature birth. Materials & Methods: In this cross-secti...
Background and Objectives: Anthropometric indices, especially weight, provide useful information for the care and treatment of newborn infants and can be used to identify infants at risk. Therefore, this study was conducted to examine the mean weight, height and head circumference measurements of infants and some related factors. Methods: This cross-sectional study was performed to investig...
In this work, the net effect of birth type (one or more children), the number of previous dead children, the mother tongue, mother's age at infant birth, number of deliveries, consanguineous marriages, and the father's education on the mortality of one-month-old infants in families of residents of Tehran and the Central Province is studied. The data referred to in this study was taken from a su...
introduction: infant mortality index is an important health indicator. this index has a direct impact on infant mortality and mortality of children less than five years. the present study aimed to investigate causes of infant deaths during 2010-2011 in bandar abbas hospital of children. methods: in this cross - sectional retrospective study profiles of all dead newborns who aged from 0 to 28 da...
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