A furnished cage, sometimes called enriched cage, colony cage or modified cage, is a type of cage used in poultry farming for egg laying hens. Furnished cages have been designed to overcome some of the welfare concerns of battery cages (also called 'conventional' or 'traditional cages') whilst retaining their economic and husbandry advantages, and also provide some of the welfare advantages over non-cage systems. Many design features of furnished cages have been incorporated because research in animal welfare science has shown them to be of benefit to the hens.
Battery cage#Legislation
Battery cages have already banned in several countries including all European Union member states (since 2012 under European Union Council Directive 1999/74/EC), Norway (since 2012) and Switzerland (since 1992). New Zealand will phase out battery cages by 2022 and Canada by 2036. Prototype commercial furnished cage systems were being developed in the 1980s. As alternatives to battery cages, the EU Council Directive allowed non-cage systems and furnished cages. Furnished cages therefore represent a feasible alternative to battery cages in the EU after 2012.
Austria banned battery cages in 2009 and is set to ban furnished cages by 2020. Belgium officially prohibits battery cages for meat rabbits since 1 January 2020 and will also prohibit enriched cages from 31 January 2024. However, the alternative system of 'park cages', in which groups of at least 20 animals are given 800 cm2 per animal (12.5 rabbits per m2) has also faced heavy criticism from animal welfarists, especially when in early 2020 the Flemish Centre for Agro and Fishery Marketing (VLAM) launched a campaign to consume more rabbit meat. Germany introduced a ‘family cage’, which has more space than the furnished cages used in other countries; however, consumers in Germany had reportedly been rejecting these eggs by 2011. Caged farming was eventually banned in Germany in 2015, with a transition period to 2025. Outside the EU, Switzerland has already banned both the battery and furnished cage systems.
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Cannibalism in poultry is the act of one individual of a poultry species consuming all or part of another individual of the same species as food. It commonly occurs in flocks of domestic hens reared for egg production, although it can also occur in domestic turkeys, pheasants and other poultry species. Poultry create a social order of dominance known as pecking order. When pressure occurs within the flock, pecking can increase in aggression and escalate to cannibalism.
vignette|250px|Poules pondeuses élevées en cages (2006). L'élevage en batterie est un mode d'élevage intensif où les animaux sont élevés dans des batteries. Les batteries sont des dispositions linéaires de cages métalliques, sur un étage ou bien superposées sur deux ou trois étages. C'est le cas de l'élevage de poules pondeuses et de volailles en général. Chaque cage peut recevoir un nombre variable d'animaux suivant les normes techniques appliquées. Décrié et combattu pour des raisons éthiques, le mot « batterie » est devenu très mal connoté.
Vent pecking is an abnormal behaviour of birds performed primarily by commercial egg-laying hens. It is characterised by pecking damage to the cloaca, the surrounding skin and underlying tissue. Vent pecking frequently occurs immediately after an egg has been laid when the cloaca often remains partly everted exposing the mucosa, red from the physical trauma of oviposition or bleeding if the tissue is torn by her laying an egg. Vent pecking clearly causes pain and distress to the bird being pecked.