Species: Laying hens

Assemblée nationale : réponse écrite à la question n°8820 : Mise en application de l’interdiction du broyage des poussins mâles

Question: Josy Poueyto (Démocrate (MoDem et Indépendants) - Pyrénées-Atlantiques). Answer: Ministry of Agriculture and Food Sovereignty.

Published in 2024

Answer to a question from a member of parliament asking the Ministry to enforce the ban on crushing male chicks, including regular checks in hatcheries, and to extend the regulations to female ducklings.

Document types: Regulation/Certification

Animal categories: Poultry

Keywords:Euthanasia, Abuse, Prenatal issues, Livestock farming system

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Resource choice during ontogeny enhances both the short- and longer-term welfare of laying hen pullets

Regine Victoria Holt, Lena Skånberg, Linda J. Keeling, Inma Estevez, Ruth C. Newberry

Published in 2024

Scientific article showing that offering chicks and juveniles a choice between different types of litter and perches has positive short- and long-term effects on the emotional state and physical condition of laying hens.

Document Types: Scientific paper

Animal categories: Poultry

Keywords:Livestock buildings, Enrichment, Housing, Behavioural disorders

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Fin de l’élimination des poussins mâles d’un jour : le choix du sexage in ovo

Sophie Rehault-Godbert, Marie Bourin, Joël Gautron, Maxime Quentin

Published in 2023

Scientific review that recaps the French decree banning the killing of male chicks from laying-hen lines, and sets out the three possible alternatives. Of these, in ovo sexing is the only route that is currently technically and economically viable, and this is presented in depth.

Document Types: Scientific review

Animal categories: Poultry

Keywords:Euthanasia

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Synthetic and phytogenic antioxidants improve productive performance, antioxidant activity, gene expression, and offspring quality in breeder hens subjected to heat stress

Phocharapon Pasri, Sitthipong Rakngam, Nadine Gérard, Pascal Mermillod, Sutisa Khempaka

Published in 2024

Scientific paper demonstrating the effectiveness of a mixture of synthetic and phytogenic substances in countering the negative effects of heat stress in breeding hens on production, blood chemistry, sperm survival in the oviduct, antioxidant properties, gene expression and offspring quality.

Document Types: Scientific paper

Animal categories: Poultry

Keywords:Adaptation of the animal to the environment, Prenatal issues, Resilience, Robustness, Stress

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Heat stress: Implications of hyperthermia and physiology of layer hens

Roberto Montanhini Neto

Published in 2024

Article describing the effects of heat stress on the feeding behavior, physiology and metabolism of laying hens, particularly oxidative stress. It sets out the benefits of phytogenic feeds in mitigating the adverse effects of high heat on the welfare and production of laying hens.

Document Types: Scientific paper

Animal categories: Poultry

Keywords:Adaptation of the animal to the environment, Resilience, Robustness, Stress

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Providing elevated structures in the pullet rearing environment affects behavior during initial acclimation to a layer aviary

Allison N. Pullin, Christina B. Rufener, Suzanne T. Millman, John F. Tarlton, Michael J. Toscan

Published in 2024

Scientific article reporting that hens with access to elevated platforms during the rearing phase make better use of the space in laying aviaries when they are first transferred there than those reared on the ground. The latter acclimatize within 1-2 weeks, but continue to make little use of the highest level of the aviary.

Document Types: Scientific paper

Animal categories: Poultry

Keywords:Adaptation of the environment to the animal, Enrichment, Housing, Livestock buildings

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Animal Welfare Committee: opinion on alternatives to culling newly hatched chicks in the egg and poultry industry

Animal Welfare Committtee (UK)

Published in 2023

Report on technologies with the potential to help end the culling of newly hatched male chicks. It identifies the possible risks to welfare posed by their use, and puts forward alternative  ideas and views on the matter.

Document Types: Opinions

Animal categories: Poultry

Keywords:Consciousness, Pain, Euthanasia, Welfare indicators, Societal issues, Stress

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Humans can identify reward-related call types of chickens

Nicky McGrath, Clive J. C. Phillips , Oliver H. P. Burman , Cathy M. Dwyer, Joerg Henning

Published in 2024

Scientific article testing whether humans can distinguish between chicken calls produced in different contexts (ie. chickens either expect or don't expect a reward), identify emotional valence (positive or negative) and intensity, and assess how excited chickens are, based on their calls. 

Document Types: Scientific paper

Animal categories: Poultry

Keywords:Human-animal relationships, Vocalisation

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Guidance: Poultry welfare off the farm

Department for Environment, Food & Rural Affairs (UK)

Published in 2023

Update of the guide originally published in 2012 by the UK Department for Environment, Food and Rural Affairs (Defra), on how to manage the health and welfare of poultry during transport, at market and at slaughter

Document Types: Good practice guide

Animal categories: Poultry

Keywords:Animal-based measurements, Societal issues, Human-animal relationships, Transport

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European Parliament: Written answer to Question E-002825/2023: A call to ban debeaking in Europe

Aurélia Beigneux (ID). Reply: Mrs Kyriakides on behalf of the European Commission

Published in 2023

Answer to a question on the measures the European Commission intends to take to limit or even ban the debeaking of laying hens and, more generally, to better control intensive farming and encourage animal welfare on farms.

Document types: Regulation/Certification

Animal categories: Poultry

Keywords:Pain, Societal issues, Welfare indicators, Mutilation, Livestock farming system

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