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Poultry Science, ISSN 0032-5791, 10/2015, Volume 94, Issue 10, pp. 2566 - 2575
The major pigment in eggshells of brown-egg laying hens is protoporphyrin IX, but traces of biliverdin and its zinc chelates are also present. The pigment... 
Brown eggs | Stress factors | Protoporphyrin IX | Laying hens | Eggshell quality | Egg Shell - physiology | Female | Animals | Chickens - physiology | Pigmentation | Egg Shell - chemistry
Journal Article
by Zheng, L and Oh, ST and Jeon, JY and Moon, BH and Kwon, HS and Lim, SU and An, BK and Kang, CW
ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, ISSN 1011-2367, 02/2012, Volume 25, Issue 2, pp. 261 - 266
Fermented Chlorella vulgaris CBT (R) was evaluated for its effects on egg production, egg quality, liver lipids and intestinal microflora in laying hens. One... 
NUTRITIONAL-VALUE | AGRICULTURE, DAIRY & ANIMAL SCIENCE | Intestinal Microflora | Laying Hen | POULTRY | ALGAE | Fermented Chlorella vulgaris | DRIED CHLORELLA | Liver Lipid | Egg Quality | CECA | Chlorella | Oviposition | Management | Health aspects | 축산학
Journal Article
ANIMALS, ISSN 2076-2615, 02/2019, Volume 9, Issue 2, p. 40
Simple Summary Floor-laying is a behavior seen in farmed ducks, where eggs are laid onto the shed floor rather than in the nest boxes provided. This behavior... 
LOCATION | nesting behavior | SITE SELECTION | HENS KEPT | DESIGN | AGRICULTURE, DAIRY & ANIMAL SCIENCE | PERFORMANCE | competition | FURNISHED CAGES | Pekin duck | VETERINARY SCIENCES | EGG QUALITY | floor laying
Journal Article
Animal Reproduction Science, ISSN 0378-4320, 08/2017, Volume 183, pp. 21 - 26
Journal Article
Poultry Science, ISSN 0032-5791, 04/2019, Volume 98, Issue 4, pp. 1589 - 1600
Journal Article
Poultry Science, ISSN 0032-5791, 01/2016, Volume 95, Issue 1, pp. 154 - 163
The Welfare Quality® Assessment protocol for poultry (WQA) provides animal-based measures allowing welfare comparisons across farms and housing systems. It was... 
housing system | health | laying hen | welfare | AGRICULTURE, DAIRY & ANIMAL SCIENCE | PERCHES | PERFORMANCE | STRENGTH | PREVALENCE | PARAMETERS | FURNISHED CAGES | FOOT | KEEL BONE DEFORMITIES | EGG QUALITY | Body Constitution | Animal Husbandry - methods | Animal Welfare | Animals | Housing, Animal | Chickens | Female | Poultry Diseases - etiology | Poultry Diseases - mortality
Journal Article
Poultry Science, ISSN 0032-5791, 05/2019, Volume 98, Issue 5, pp. 2193 - 2200
ABSTRACT Understanding serum dynamic patterns of P, Ca, and P-Ca metabolism related hormones would help us in developing feeding strategies that can be used to... 
AGRICULTURE, DAIRY & ANIMAL SCIENCE | egg laying cycle | calcium | FACTOR-23 | FIBROBLAST-GROWTH-FACTOR | DOMINANT HYPOPHOSPHATEMIC RICKETS | hormone | PHOSPHATE | PLASMA INORGANIC PHOSPHORUS | eggshell formation | METABOLISM | PARATHYROID-HORMONE | DIETARY | EXPRESSION | phosphorus
Journal Article
PLoS Genetics, ISSN 1553-7390, 2019, Volume 15, Issue 1, p. e1007896
Neurons typically release both a small-molecule neurotransmitter and one or more neuropeptides, but how these two types of signal from the same neuron might... 
COEXISTENCE | CAENORHABDITIS-ELEGANS | INHIBITION | GENETICS | SER-1 | COLOCALIZATION | GENETICS & HEREDITY | SUBSTANCE-P | RAPHE NEURONS | EXPRESSION | NK1 RECEPTOR ANTAGONIST | Egg (Biology) | Caenorhabditis elegans | Serotonin | Neurons | Physiological aspects | Neuropeptides | Genetic aspects
Journal Article
Poultry Science, ISSN 0032-5791, 02/2019, Volume 98, Issue 2, pp. 923 - 931
ABSTRACT This study was to determine the effects of dietary Zn-methionine (Zn-Met) supplementation on the laying performance, egg quality, antioxidant... 
antioxidant enzyme | laying hen | egg quality | performance | Zn-methionine | AGRICULTURE, DAIRY & ANIMAL SCIENCE | MINERALS | BROILERS | CHELATE | COPPER | EGGSHELL QUALITY | DIGESTIBLE LYSINE | MANGANESE | GROWTH | GENE-EXPRESSION | ORGANIC ZINC SUPPLEMENTATION
Journal Article
Applied Animal Behaviour Science, ISSN 0168-1591, 05/2018, Volume 202, p. 46
The phenomenon of gregarious nesting occurs when hens choose to enter and lay their eggs in a nest box which is already occupied by one or more hens, even when... 
Nesting | Laying | Poultry | Nesting behavior | Decision making | Body weight | Dominance | Eggs | Boxes | Animal reproduction | Animal behavior | Reinstatement | Tonic immobility | Frustration | Nest boxes
Journal Article