مرور Volume 5, Issue 4 بر اساس عنوان
در حال نمایش موارد 1 - 20 از 20
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Association of Bovine Lactoferrin Gene with Mastitis in Frieswal Cattle
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)ThirtyFrieswal lactating cows were screened for clinical and subclinical mastitis and subsequently classified into healthy, subclinically affected and clinically affected groups each group comprising of 10 cows. Polymorphism ...
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Bayesian Estimates of Genetic Relationships between Growth Curve Parameters in Shall Sheep via Gibbs Sampling
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)The objective of this study was to estimate variance components and genetic parameters for growth curve parameters in Shall sheep. Studied traits were parameters of Brody growth model which included A (asymptotic mature ...
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Calculation of Inbreeding Depression Effects on Subclinical Mastitis Using Three Different Models
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)Pedigree information of 3972 Holstein cows and bulls, from 1961 to 2008, was used to calculate inbreeding coefficients and their effects on production traits and subclinical mastitis of dairy farm cows inAzerbaijan ...
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Comparision of Direct and Indirect Response to Selection for Breast Weight in Japanese Quail
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)This study was carried out to investigate the direct and indirect responses to selection for four-week body weight (4 week body (wk BW)) and four-week breast weight (4 week breast weight (wk BRW)) and to determine ...
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Dual Promoter Vector Construction for Simultaneous Gene Expression Using Spliced Overlap Extension by Polymerase Chain Reaction (SOE-PCR) Technique
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)There are two different co-expression systems including bicistronic; dual-vector or two-promoter to express two different genes simultaneously and also to study protein-protein interactions. Bicistronic system has disadvantages ...
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Effect of Artichoke (<i>Cynara scolymus</i>) Leaf Powder on Performance and Physicochemical Properties of Frozen Meat of Japanese Quail
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)This study evaluated the effects of artichoke leaf powder on growth performance and physicochemical properties of Japanese quailfrozen meat after 3 monthstorage. A total of 240 Japanese quail chicks (1 d old) were raised ...
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Effect of the Replacement of Soybean Meal by Rubber Seed Meal on Growth, Economics and Carcass Characteristics of Broiler
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)The experiment was to study the effects of replacing soybean meal by rubber seed meal on growth, economics and carcass characteristics of broiler. A total of 150 day-old commercial broiler (Cobb-500) was reared for a period ...
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Effects of <i>Euphorbia hirta</i> and Acidifiers Supplement on Resistance of Broiler Chickens against <i>Salmonella enteritidis</i> Infection: Oral Challenge Model
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)The main purpose of this study was to investigate the effects of Euphorbia hirta and acidifiers supplement on resistance of broiler chickens against Salmonella enteritidis infection. A total of ...
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Effects of Adding Ethanol Extract of Propolis and Cumin Essential Oil to Diet on the Performance, Blood Parameters, Immune Response and Carcass Traits of Broiler Chicks
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)This study was conducted to determine the effects of adding ethanol extract of propolis (EEP) and cumin essential oil (CEO) to diets of broiler chicks on the performance, blood parameters, immune response and carcass traits. ...
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Estimates of Repeatability and Heritability of Productive Trait in Holstein Dairy Cattle
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)Dairy cattle breeding programs have been based in the selection for traits related to milk production. In this research a data set of 63 herds of East Azerbaijan province Holstein cattle, collected during 2002-2013 by the ...
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Genetic and Economic Aspects of Applying Embryo Transfer in Traditional and Genomic Evaluation in Iranian Holstein Dairy Cattle
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)Embryo transfer (ET) in Holstein dairy cattle became an important commercial enterprise after the introduction of non-surgical recovery technique. Embryo transfer could increase the reproductive rate of genetically superior ...
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Genetic and Phenotypic Trends of Productive and Reproductive Traits in Iranian Holstein Dairy Cattle of Isfahan Province
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)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 ...
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Genetic Polymorphism Detection of the Exon 1 Region of Acetyl-CoA Carboxylase Alpha Gene in Iranian Mahabadi Goat Breed
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)Acetyl-coenzyme A carboxylase α (ACC-alpha) is considered as the key regulatory enzyme in fatty acid biosynthesis. ACC-alpha gene is located on Caprine chromosome 11 and is polymorphic in many goat breeds. In the current ...
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The Impact of Different Levels of Vitamin E and Selenium on the Performance, Quality and the Hatchability of Eggs from Breeding Japanese Quails
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)The purpose of the present study was to evaluate the impact of vitamin E and selenium (Se) supplementation on the performance, egg quality and hatchability of eggs from Japanese breeding quails. The experiment was conducted ...
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Incidence, Production and Economic Losses of Clinical Mastitis in Egyptian Holstein Cows
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)This study utilized daily records of 2000 Egyptian Holstein dairy cows. The productive, reproductive and economic data during a whole lactation season were recorded for healthy and mastitis cows. Two risk factors for ...
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The “Male Effect” Onestrous Synchronization and Reproductive Characteristics of Female Markhoz Goat during the Breeding Season
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)One hundred female Markhoz goats (42±5 kg) were used to investigate the ‘male effect' on estrous synchronization and reproductive characteristics of female goat during the breeding season. This was carried out in three ...
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Performance and Measures of Stress in Lambs Weaned at 45 and 90 Days
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)A study was conducted to evaluate effects of age at weaning on various growth characteristics and stress measures of Zandi lambs. The lambs were weaned at 45 and 90 days of age. The body weights and average daily gain (ADG) ...
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Structures, Functions and Expressions of GnRH and GnRH Receptor in Peripheral Reproductive Organs and Their Regulation by Estradiol-17β
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)Studies have shown that estradiol-17β (E2) regulates gonadotropin-releasing hormone (GnRH) and GnRH receptor expression in hypothalamus and pituitary. Several studies have shown that GnRH and its receptor are ...
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Thermoregulatory Mechanisms of Jersey Adult Cattle and Calves Based on Different Body Sites Temperature
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)In this experiment six healthy adult dairy Jersey cattles and eight calves (aged 4-6 months) were selected to measure temperature of different body skin sites, rectal temperature, respiration and heart rates during summer ...
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Utilization of Date by Product on Sheep Feeding: Its Ruminal Degradation, Nutrient Digestibility and Its Effect on Sheep Growth
(Islamic Azad University - Rasht BranchIslamic Azad University - Rasht Branch, 2015-12-01)This study was conducted in two separate experiments. Four rumen-cannulated sheep were allocated in the first experiment to evaluate date by-product (DBP) and date seed (DS) nutrients degradation in rumen. In experiment ...



