نتایج جستجو برای: first birth interval

تعداد نتایج: 1695990  

ژورنال: حیات 2015
آخوند, محمدرضا, راسخ, عبدالرحمن, چرم‌زاده, رویا,

  Background & Aim: Reproductive behavior of a society can be studied in different ways. One of these ways is to check the birth intervals. The aim of the present study was to assess the childbirth along with factors influencing childbirth behavioral patterns in Ahwaz .   Methods & Materials: In this study , factors affecting birth intervals of women aged 15-49 were investigated . To achieve...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...

O.R. Madibela, W. Mahabile

Retrospective data from Sebele Dairy Farm were analysed for reproductive performance of Friesian/Holstein cows. Three hundred records from 1989 to 1995 were used. The herd was zero grazed and the data was analysed for age at first calving (AFC), calf birth weights (BW), calving interval (CI), days open (DO), calving rate (CR), reproductive wastage (RW) and calving difficulty (CD); dystocia, aft...

Journal: :iranian journal of applied animal science 2015
o.r. madibela w. mahabile

retrospective data from sebele dairy farm were analysed for reproductive performance of friesian/holstein cows. three hundred records from 1989 to 1995 were used. the herd was zero grazed and the data was analysed for age at first calving (afc), calf birth weights (bw), calving interval (ci), days open (do), calving rate (cr), reproductive wastage (rw) and calving difficulty (cd); dystocia, aft...

Journal: :International Journal of Women's Health and Reproduction Sciences 2017

Journal: :علوم دامی ایران 0
سیده شادی قریشی دانشجوی کارشناسی ارشد دانشکده کشاورزی دانشگاه زابل محمد رکوعی استادیار دانشکده کشاورزی دانشگاه زابل مهدی سرگلزایی عضو هیئت علمی دانشگاه گوئلف کانادا احمد مقیمی اسفندآبادی مربی مرکز اصلاح‏نژاد دام کشور

birth weight (bw) is the first trait recorded fllowing birth. it can influence the performance of thecow and as well impact the performance of the calf it,s duringits maturity. to investigate the effect ofa calf,s bw on the performance of holstein dairy cattle in iran, the records gathered between 1967 and2010 were obtained from the iranian animal breeding center. the data were then used to mod...

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