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Physiological Response and Postmolt Performance of Laying Hens Molted by Non-Feed Removal Methods
Feed deprivation laying hens molting non-feed removal
2009/1/19
One experiment was conducted to evaluate the physiological response and postmolt performance of laying hens subjected to non-feed removal molting programs. One hundred and eighty 78-week-old Hy-line ...
The effect of the feeding laying hens on egg mechanical properties
egg shel destruction deformation energy shear strength modulus feeding mixture
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
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
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
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
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
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
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...
The effect of zinc and manganese source in the diet for laying hens on eggshell and bones quality
laying hens zinc manganese organic complexes
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
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...
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
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...
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
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...
DRY BIOMASS OF FRESH WATER ALGAE OF CHLORELLA GENUS IN THE COMBINED FORAGES FOR LAYING HENS
Chlorella hen feeding egg qualities
2010/12/2
Dry biomass of algae is a good source of nutrients and biologically active substances, which in the last years attracted the interest of the specialists in their search for natural, ecologically and h...
Influence of Feeding β-Cyclodextrin to Laying Hens on the Egg Production and Cholesterol Content of Egg Yolk
Egg Production Egg Yolk Egg Quality Cholesterol
2016/4/19
The main objective of the present study was to determine the effect of dietary β-cyclodextrin (β-CD) on egg laying performance and cholesterol content of egg yolk. Feed intake, egg production and egg ...
Effect of Supplementary Dietary L-carnitine and Yeast Chromium on Lipid Metabolism of Laying Hens
Laying Hens Yeast Chromium L-carnitine Lipid Metabolism Synergic Effect
2016/4/18
There was no side effect on production performance of laying hens while chromium or (and) L-carnitine reduced liver lipid, abdominal fat and egg yolk cholesterol.