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Effects of Dietary Fe-soy Proteinate and MgO on Egg Production and Quality of Eggshell in Laying Hens
MgO Fe-soy Proteinate Eggshell Quality Layer Hemoglobin
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2016/5/5
This study investigated the effects of Fe-soy proteinate (Fe-SP) and magnesium oxide (MgO) dietary supplements on eggshell quality in laying hens. A total of 800 26-wk-old Hy-Line Brown hens were assi...
Evaluation of Dietary Supplementation of Delta-aminolevulinic Acid and Chito-oligosaccharide on Production Performance, Egg Quality and Hematological Characteristics in Laying Hens
Delta-aminolevulinic Acid Chito-oligosaccharide Performance Egg Quality Laying hen
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2016/5/5
The effects of delta-aminolevulinic acid (DALA) or chito-oligosaccharide (COS) in layer diets on production performance, egg quality and hematological characteristics were investigated in this 8-week ...
Effects of Supplementary Blood Meal on Carnosine Content in the Breast Meat and Laying Performance of Old Hens
Blood Meal Carnosine Chicken Breast Muscle Spent Layer Magnesium Oxide Eggshell Strength
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2016/5/5
The objective of this research was to evaluate the effects of dietary supplementation of blood meal (BM) as a source of histidine, and magnesium oxide (MgO) as a catalyst of carnosine synthetase, on c...
Carotenoid Accumulation and Their Antioxidant Activity in Spent Laying Hens as Affected by Polarity and Feeding Period
Pigmentation Carotenoid Polarity Laying Hen Feeding Period Astaxanthin
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2016/5/5
Since the consumption of spent laying hens as roasted skewered meat increases, the effects of various carotenoids on pigmentation and antioxidant activity were tested with 62-wk-old 250 ISA brown layi...
Effects of Fermented Garlic Powder on Production Performance, Egg Quality, Blood Profiles and Fatty Acids Composition of Egg Yolk in Laying Hens
Blood Profiles Egg Production Egg Quality Fatty Acids Garlic Powder Laying Hens
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2016/5/4
The effects of fermented garlic powder on production performance, egg quality, blood profiles and fatty acid composition of egg yolk in laying hens were studied in a 35-d experiment. Two-hundred and f...
Effects of Dietary Betaine on the Secretion of Insulin-like Growth Factor-I and Insulin-like Growth Factor Binding Protein-1 and -3 in Laying Hens
Betaine Laying Hens Insulin-like Growth Factor-I Insulin-like Growth Factor Binding Protein IGF-I mRNA Gene Expression
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2016/5/4
The principal objective of this experiment was to determine the effects of dietary betaine on IGF-I, IGFBP-3 and IGFBP-1 secretion and IGF-I mRNA gene expression in the serum and liver of laying hens....
EFFECT OF DIETARY SODIUM SELENITE AND Se-ENRICHED YEAST ON EGG-SHELL QUALITATIVE PARAMETERS OF LAYING HENS EGGS
laying hens sodium selenite Se-yeast
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2010/12/9
The experiment was designed to investigate the effects of feed supplementation with selenite or selenized yeast on eggs quality of laying hens. Hens of laying breed Isabrown were randomly divided at t...
INFLUENCE OF PLANT ESSENTIAL OILS ON SELECTED PARAMETERS OF THE PERFORMANCE OF LAYING HENS
laying hens thyme essential oil hyssop essential oil
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2010/12/9
The experiment was designed to investigate the effects of feed supplementation with essential oils on egg weight and body mass of laying hens. Hens of the laying breed Isa Brown were randomly divided ...
Actigraph as a Device for Estimation of Heat Production of White Leghorn Hens under High Ambient Temperature
heat production activity count standing time ambient temperature feed intake
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2009/8/3
Eight commercial Single Comb White Leghorn hens were used to study the effects of high ambient temperature on behavioral activities and to select a better parameter for the estimation of heat producti...
Changes in Calcitonin Receptor Binding in the Shell Gland of Laying Hens (Gallus domesticus) During the Oviposition Cycle
chicken shell gland calcitonin receptor culcification
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2009/8/3
This study was conducted to examine calcitonin (CT) receptor binding in the membrane fraction of the endometrium of the shell gland of laying hens by the use of [125I] CT binding assays. Specific [125...
Osteoclast-Like Cell Formation in Medullary Bone Marrow Cell Culture of Laying Hens
hen medullary bone osteoclast egg-laying cycle culture
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2009/7/31
Marrow cells were isolated from medullary bone of hens at two opposing phases, the bone formative and resorptive phases, of the egg-laying cycle. These cells were cultured for up to 14 days on cover s...
Effect of Physical Activities on Heat Production of White Leghorn Hens under Different Lighting Regimes
heat production activity count standing time lighting regime laying hen
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2009/7/31
Six Single Comb White Leghorn laying hens (Shaver, Star cross 288) were used to estimate heat production (HP) for physical activities under different lighting regimes (LR) of 12L : 12D, 14L : 10D and ...
Effect of Feeding Levels and Physical Activities on Heat Production in Laying Hens under Different Ambient Temperatures
heat production physical activity ambient temperature feeding level laying hen
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2009/7/31
Eight Single Comb White Leghorn laying hens were used to investigate the effects of feeding levels (FL), ad libitum and 40% feeding, and physical activities on heat production (HP) under different amb...
Changes of Lysosomal Hydrolase Activity in the Anterior Pituitary of Hens during Induced Molting
chicken induced molting lysosomal hydrolase activity acid phosphatase
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2009/7/31
The goal of this study was to determine whether lysosomal hydrolase activity changes during induced molting in the hen pituitary. White Leghorn aged laying hens were subjected to induced molting by fe...
Changes in Thickness and Weight of Shell Portion of Egg and in Weight and Size of Whole Egg during the Stay in the Uterine Part of the Oviduct (Shell Gland) in the Guineafowl:Comparison with White Leghorn Hens
guineafowl shell gland eggshell formation egg size
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2009/7/31
The thickness and weight of the shell portion (shell with shell membrane) of eggs at various times during the stay in the uterus and at oviposition were found to be greater in the guineafowl than thos...