häkkikanalat

Häkkikanalat, often translated as battery cages, are a system of housing egg-laying hens. In this system, hens are typically confined in small wire cages, with each cage housing a number of birds. These cages are usually arranged in multi-tiered rows within large, enclosed buildings. The flooring of the cages is typically sloped to allow eggs to roll out for collection. Ventilation and temperature are controlled within the buildings to maintain a suitable environment for the birds.

The primary objective of häkkikanalat is efficient egg production. The confined space is intended to reduce energy expenditure by the hens, thereby increasing their feed conversion efficiency. It also facilitates easy egg collection and manure management. This system has been widely used globally for decades due to its economic advantages in large-scale egg production.

However, häkkikanalat have faced significant criticism regarding animal welfare. Concerns often raised include the lack of space for natural behaviors such as dust bathing, perching, and wing flapping. The barren environment and close confinement can lead to stress, feather pecking, and cannibalism. Consequently, many countries and regions have implemented regulations or outright bans on battery cages, moving towards alternative housing systems like enriched cages, free-range, or organic systems that provide more space and opportunities for natural behaviors. The debate surrounding häkkikanalat centers on balancing efficient food production with ethical considerations for animal welfare.