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Bayesian inference of genetic parameters for reproductive and performance traits in White Leghorn hens
egg production fertility genetic correlation hatchability heritability
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2018/11/23
This study estimated the genetic parameters for reproductive and performance traits and determined which ones can be used as selection criteria for egg production in laying hens using the Bayesian inf...
Negative effect of phytase superdosing in laying hens
Hisex dietary calcium OptiPhos® performance
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2018/11/23
Hisex hens, aged 24 weeks, were divided into 6 groups. Each group consisted of 4 cages with 10 hens per cage with dimensions and equipment meeting the EU directives. This 2 × 3 factorial experiment in...
Effect of Housing System and Age of Laying Hens on Eggshell Quality, Microbial Contamination, and Penetration of Microorganisms into Eggs
antimicrobial effect gastrointestinal tract pathogens palm oil lauric acid capric acid
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2018/3/5
Increasing antibiotic resistance has led to a ban on antibiotic use in feed additives in the EU. Therefore, new
non-antibiotic, pathogen-inhibiting agents are urgently needed. Inhibitory effects of e...
Differences in Oviposition and Egg Quality of Various Genotypes of Laying Hens
layers genotype sequence time of collection egg quality
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2018/3/5
The differences in egg production traits in six laying hen genotypes (brown-egg hens Bovans Brown, Bovans
Sperwer, ISA Sussex; white-egg hen Dekalb White; laying hens with tinted shells Moravia Barre...
Differences in Physicochemical and Nutritional Properties of Breast and Thigh Meat from Crossbred Chickens, Commercial Broilers, and Spent Hens
Crossbred Chicken Commercial Broiler Spent Hen Physicochemical Properties
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2016/7/27
The objective of this study was to compare the physicochemical and nutritional properties of breast and thigh meat from commercial Chinese crossbred chickens (817 Crossbred chicken, 817C), imported co...
Stress Detection and Classification of Laying Hens by Sound Analysis
Laying Hens Stress Recognition Sound Analysis Monitoring System
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2016/5/18
Stress adversely affects the wellbeing of commercial chickens, and comes with an economic cost to the industry that cannot be ignored. In this paper, we first develop an inexpensive and non-invasive, ...
The Effects of Rhodobacter capsulatus KCTC-2583 on Cholesterol Metabolism, Egg Production and Quality Parameters during the Late Laying Periods in Hens
Cholesterol Egg Quality Laying Hens Performance Rhodobacter capsulatus KCTC-2583
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2016/5/11
An experiment was conducted to investigate the effects of dietary supplementation of Rhodobacter capsulatus KCTC-2583 on egg-yolk and serum cholesterol, egg production and quality parameters during th...
Effects of Bacteriophage Supplementation on Egg Performance, Egg Quality, Excreta Microflora, and Moisture Content in Laying Hens
Bacteriophage Egg Production Egg Albumen Excreta Microflora Laying Hens
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2016/5/10
An experiment was conducted to evaluate the effects of bacteriophage supplementation on egg performance, egg quality, excreta microflora, and moisture content in laying hens. A total of 288 Hy-line br...
Effects of Bacteriophage Supplementation on Egg Performance, Egg Quality, Excreta Microflora, and Moisture Content in Laying Hens
Bacteriophage Egg Production Egg Albumen Excreta Microflora Laying Hens
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2016/5/10
An experiment was conducted to evaluate the effects of bacteriophage supplementation on egg performance, egg quality, excreta microflora, and moisture content in laying hens. A total of 288 Hy-line br...
The Dietary Effects of Fermented Chlorella vulgaris (CBT®) on Production Performance, Liver Lipids and Intestinal Microflora in Laying Hens
Fermented Chlorella vulgaris Laying Hen Liver Lipid Intestinal Microflora Egg Quality
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2016/5/9
Fermented Chlorella vulgaris CBT® was evaluated for its effects on egg production, egg quality, liver lipids and intestinal microflora in laying hens. One hundred and eight Hy-line Brown layers (...
Influence of Energy Level and Glycine Supplementation on Performance, Nutrient Digestibility and Egg Quality in Laying Hens
Laying Hens Glycine Egg Quality Egg Production Egg Weight Ileal Digestibility
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2016/5/9
Sixty four, 30-week-old, Lohmann Brown-Lite laying hens were randomly allocated to one of four treatments with eight replicates per treatment and two hens per replicate for a 10 week study. The contro...
The Effects of Raw and Physical Processed Common Vetch Seed (Vicia sativa) on Laying Performance, Egg Quality, Metabolic Parameters and Liver Histopatology of Laying Hens
Common Vetch Seed Processing Method Laying Performance Egg Quality Metabolic Parameter Liver Histopatology
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2016/5/9
This experiment was designed to evaluate the effects of the processing method of common vetch seed (CVS) (Vicia sativa) on laying performance, egg quality, metabolic parameters and liver histopatology...
Effect and Mechanism of Glutamine on Productive Performance and Egg Quality of Laying Hens
Glutamine Laying Hen Productive Performance Egg Quality Hormone Secretion Duodenum Oviduct
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2016/5/5
This study was conducted to investigate the effects of dietary glutamine (Gln) on the productive performance and egg quality of laying hens. A total of four hundred Lingnan Yellow laying hens aged 34 ...
Effect of Selenium-enriched Japanese Radish Sprouts and Rhodobacter capsulatus on the Cholesterol and Immune Response of Laying Hens
Selenium-enriched Japanese Radish Sprout Rhodobacter capsulatus Cholesterol Immune Response Laying Hens
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2016/5/4
Immune response and yolk cholesterol are crucial factors for commercial chicken producers. The objectives of this study were to investigate the effect of selenium-enriched Japanese radish sprouts (Se-...
Effect of Selenium-enriched Bean Sprout and Other Selenium Sources on Productivity and Selenium Concentration in Eggs of Laying Hens
Se-enriched Plant Organic Selenium Egg Selenium Content Laying Hens
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2016/5/3
The objective of this study was to determine the effect of Se-enriched bean sprout, Se-enriched yeast and sodium selenite on productivity, egg quality and egg Se concentrations in laying hens. Using a...