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The effect of the feeding laying hens on egg mechanical properties
egg shel destruction deformation energy shear strength modulus feeding mixture
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2008/11/10
The effect of low-protein feeding mixture on the technological properties of the egg shell was studied and compared with commercial mixture. On the basis of obtained results it is possible to state th...
Evaluation of δ-Aminolevulinic Acid on Serum Iron Status, Blood Characteristics, Egg Performance and Quality in Laying Hens
δ-Aminolevulinic Acid Iron Status Egg Quality Laying Hens
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2016/4/28
Effects of dietary δ-aminolevulinic acid (ALA) supplementation on serum iron status, blood characteristics, egg production and quality were examined in laying hens in an 8-week feeding trail. Two hund...
Probiotics in Drinking Water Alleviate Stress of Induced Molting in Feed-deprived Laying Hens
Feed Deprivation Laying Hens Molting Probiotics
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2016/4/28
An experiment was conducted to evaluate the physiological changes of laying hens subjected to feed removal during induced molting while received probiotics in the drinking water. Post-molt performance...
The Effects of Dietary Turkish Propolis and Vitamin C on Performance, Digestibility, Egg Production and Egg Quality in Laying Hens under Different Environmental Temperatures
Vitamin C Propolis Heat Stres Laying Hen
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2016/4/28
In this study, the effects of propolis and vitamin C (L-ascorbic acid) supplementation in diets were investigated on feed intake (FI), body weight (BW), body weight gain (BWG), feed conversion rate (F...
Effects of Dietary Inclusion of Palm Kernel Cake and Palm Oil, and Enzyme Supplementation on Performance of Laying Hens
Palm Kernel Cake Enzyme Laying Hens
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2016/4/28
A total of 392 twenty eight week-old laying hens was used to study the effects of dietary inclusion of solvent-extracted palm kernel cake (PKC) (0%, 12.5% and 25%) and enzyme (mixture of mannanase, &#...
Changes in Behaviour of Laying Hens Following Beak Trimming at Hatch and Re-trimming at 14 Weeks
Laying Hens Beak Trimming Behaviour Pain
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2016/4/27
For many years beak trimming has been a controversial subject, particularly since the 1980??s when the practice came under close scrutiny by animal welfare groups. In Australia it is considered an ess...
EVALUATION OF FERMENTED PALM KERNEL MEAL AND FERMENTED COPRA MEAL PROTEINS AS SUBSTITUTE FOR SOYBEAN MEAL PROTEIN IN LAYING HENS DIETS
Soybean meal；Palm kernel meal；copra meal
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2010/12/6
Two hundred and ten (210) laying hens of Black Harco breed at 37 weeks in lay were fed experimental layer diets, in which fermented palm kernel meal (PKM) and copra meal (CM) were used independently t...
Diagnostic testing of different stages of avian tuberculosis in naturally infected hens (Gallus domesticus) by the tuberculin skin and rapid agglutination tests, faecal and egg examinations
avian mycobacteriosis IS901 PCR
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2015/3/17
Avian tuberculosis (ATBC) is a significant cause of morbidity and mortality in birds in zoos and
breeding establishments. The primary sources of Mycobacterium avium subsp. avium (MAA) of serotypes 1...
The effect of zinc and manganese source in the diet for laying hens on eggshell and bones quality
laying hens zinc manganese organic complexes
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2015/3/17
The study was conducted to evaluate the effect of zinc and manganese source (inorganic vs. organic)
in the diet for hens on laying performance, eggshell quality and chosen parameters of bones. Exper...
Effects of Dietary Dihydropyridine Supplementation on Laying Performance and Fat Metabolism of Laying Hens
HSL (Hormone-sensitive Triglyceride Lipase) SOD (Superoxide D
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2016/4/26
The experiment was conducted to investigate the effects of dihydropyridine on laying performance and fat metabolism of laying hens. Five hundred and forty laying hens, 40 weeks old, were randomly allo...
Hens with bigger combs attract the roosters
Hens roosters sperm
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2006/12/15
28 November 2006，Hens with large head ornaments or ‘combs’ are more likely to find a mate and receive more sperm, especially from the more dominant roosters, than their female rivals with smaller comb...
Comparative Performance of Hens Fed Diets Containing Korean, Japanese and Chinese Green Tea
Green Tea Hen Egg Production Feed Intake Egg Shell Thickness Yolk Cholesterol
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2016/4/21
This experiment was carried out to investigate the effects of Korean, Japanese and Chinese green tea on laying performance and egg quality in hens. A total of 168 ??Tetran Brown??hens aged 40 weeks we...
Effects of Dietary Supplementation of Copper Chelates in the Form of Methionine, Chitosan and Yeast in Laying Hens
Egg Production Chelates Copper Methionine-Cu Layer
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2016/4/21
An experiment was conducted to investigate the effects of dietary supplementation of copper chelates in the form of methionine, chitosan and yeast on the performance of laying hens. Four hundred ISA B...
Effects of Additives on Laying Performance, Metabolic Profile, and Egg Quality of Hens Fed a High Level of Sorghum (Sorghum vulgare) during the Peak Laying Period
Laying Hen Sorghum Methionine Lysine Choline Sulfur
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2016/4/21
This experiment was conducted to determine the effects of supplemental methionine, lysine, choline, and sulfur on laying performance, metabolic parameters, and egg quality of hens fed diets containing...
Recovery over Time of Production Performance and Biological Functions of Laying Hens after Withdrawal Toxic Levels of Dietary Roxarsone
Roxarsone Laying Hen Egg Production Liver Function Lipid Metabolism
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2016/4/20
Roxarsone (3-nitro-4-hydroxyphenylarsonic acid) has been used as feed additives in poultry industries to improve production and control coccidiosis. The effect of high dietary levels of Roxarsone (ROX...