نتایج جستجو برای: breeding and combined respectively 2580

تعداد نتایج: 16861106  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

abstract ion selective electrodes (ises) are electrochemical sensors that respond selectivity to the activity of ionic species. an ion-selective electrode is an electrochemical device that uses a thin selective membrane or film as the recognition element, and is an electrochemical half-cell equivalent to other half-cells of the zeroth (inert metal in a redox electrolyte). in common methods o...

ژورنال: علوم زراعی ایران 2023

Knowledge of genes action on important traits and their breeding value is necessary to achieve high yielding cultivars in food crops. Molecular markers has eliminated the need for knowing the pedigree of genotypes for estimating Kiniship matrix required to estimate breeding values of taits of interest. In this research, 97 genotypes of maize were evaluated for 17 different agronomic triats usin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

The aim of present study was to compare levels of genetic polymorphism between offspring of  wild , farmed and mix of them of Roach (Rurilus rutilus caspicus) using five microsatellite loci  (CA1, CA7, CypG27, Lid1, Rru4). Genetic diversity was investigated by studying samples collected from three population, 90 fish, thirty specimen form each population. All samples fixed in ethanol 96% until ...

Journal: :علوم دامی 0
امیر رشیدی دانشیار، دانشگاه کردستان ابراهیم میرزامحمدی دانش آموخته کارشناس ارشد علوم دامی

in order to evaluation of genotype by environment interactions in holstein cows, iran was divided into cold, middle cold, temperate and hot climate regions. for this purpose used from 39570, 35813 and 18955 records for milk, fat and protein yields, respectively, to progeny test for 35 sires that have 50 daughters in each climate. the data were collected by the centre of breeding and improvement...

Journal: :Journal of animal science 1991
C Smith G Banos

Genetic evaluations within and across populations (countries, breeds, herds) allow ranking on estimated genetic merit and selecting breeding individuals across populations. Selection within and across populations (combined selection) should by definition always be as good as, or better than, within-population selection, the limiting case. The advantage depends on the sizes of the populations, t...

Journal: :iranian journal of applied animal science 2015
z. aghajari a. ayatollahi mehrgardi r. tahmasbi m. moghbeli

productive and reproductive traits have great importance in international dairy cattle breeding objectives. production, reproduction (days open and calving interval) and pedigree data of iranian holstein dairy cattles were collected between 2002 and 2012 from 47 herds in isfahan province. the data set consisted of 30179 records from 18837 registered iranianholstein dairy cattles. single trait r...

The aim of this research was to assessment of drought tolerance in bitter vetch (Vicia ervilia L.) ecotypes. For this purpose, 16 ecotypes collected from four provinces (East Azerbaijan, West Azerbaijan, Ardabil and Zanjan) of Iran, were evaluated using randomized complete block design with four replications in three separate experiments (60, 90 and 120 mm water evaporation from A pan) during 2...

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