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Frontiers in psychology, ISSN 1664-1078, 2018, Volume 9, p. 2000
.... For example, such energetic trade-offs may change the hens' cognitive abilities. Therefore, we hypothesized highly productive laying hens to show reduced learning performance in comparison to moderate productive lines... 
Extinction | Laying hens | Poultry | Selection | Domestication | Discrimination learning | Cognition | Layer | PERSONALITY | poultry | RED JUNGLEFOWL | laying hens | cognition | discrimination learning | JUNGLEFOWL GALLUS-GALLUS | GUINEA-PIGS | FARM-ANIMALS | layer | PSYCHOLOGY, MULTIDISCIPLINARY | DOMESTIC CHICKEN | extinction | RESOURCE-ALLOCATION | selection | WILD CAVIES | domestication | CAVIES CAVIA-APEREA | ANIMAL COGNITION | Psychological aspects | Personality | Animal behavior | Analysis | Chickens
Journal Article
Applied Animal Behaviour Science, ISSN 0168-1591, 06/2014, Volume 155, pp. 66 - 73
•We compared two group-nests differing in size for laying hens in preference tests... 
Nest size | Nest choice | Animal welfare | Group-nests | Laying hens | Preference test | SITE SELECTION | DESIGN | AGRICULTURE, DAIRY & ANIMAL SCIENCE | BOX | CHOICE | PRELAYING BEHAVIOR | BEHAVIORAL SCIENCES | VETERINARY SCIENCES
Journal Article
by Long, H and Zhao, Y and Wang, T and Ning, Z and Xin, H
Poultry Science, ISSN 0032-5791, 01/2016, Volume 95, Issue 1, pp. 1 - 11
.... Despite many lab-scale studies concerning impact of LED on poultry, little research has been documented under field production conditions, especially for laying hens... 
fluorescent light | LED | welfare | production performance | Laying hen | AGRICULTURE, DAIRY & ANIMAL SCIENCE | MONOCHROMATIC LIGHT | BEHAVIOR | PERFORMANCE | ENVIRONMENT | CHICKS | FEATHER-PECKING LINE | EGG QUALITY | Reproduction | Temperature | Animal Husbandry - methods | Animals | Housing, Animal | Lighting | Female | Motor Activity | Chickens - physiology
Journal Article
Veterinary Record, ISSN 0042-4900, 03/2018, Volume 182, Issue 12, pp. 347 - 349
...An EU-wide ban on conventional battery cages came into force in 2012 (Directive 1999/74/EC) to improve the welfare of laying hens across Europe. As a result... 
WELFARE | VETERINARY SCIENCES | INFECTIONS | LAYING HENS | PREVALENCE | ASCARIDIA-GALLI | Female | Oviposition | Animals | Housing, Animal | Poultry Diseases | Chickens
Journal Article
Journal Article
Renewable Energy, ISSN 0960-1481, 10/2017, Volume 111, pp. 245 - 255
Journal Article
2011, 1st Lyons Press ed., ISBN 9780762773671, 144
Book
Frontiers in microbiology, ISSN 1664-302X, 2016, Volume 7
Members of Salmonella enterica are frequently involved in egg and egg product related human food poisoning outbreaks worldwide. In Australia, Salmonella... 
Egg contamination | Oviduct | Laying hens | Salmonella Typhimurium | oviduct | laying hens | egg contamination | SEROVARS | LAYER FLOCKS | MICROBIOLOGY | CHICKENS | COLONIZE REPRODUCTIVE-ORGANS | ENTERICA | SEROTYPES | PATHOGENICITY | ENTERITIDIS | INTACT EGGS | Infection | Salmonella typhimurium
Journal Article