Turkeys are the second most produced commercial poultry species in the UK and US. Their welfare in intensive production systems involves specific challenges related to their biology, rapid growth selection, and social behaviour.
Wild turkeys (Meleagris gallopavo) are large, active, intelligent birds with complex social structures. Their commercial counterparts retain many of these characteristics despite extensive selection for rapid growth. Commercial male turkeys (toms) grow to slaughter weight (20kg+) in approximately 20 weeks; females (hens) to 8–10kg in 14–16 weeks. This rapid growth, particularly in toms, creates welfare challenges analogous to those in broiler chickens.
Modern commercial turkey strains — particularly the Broad Breasted White — have been selected for extreme breast muscle development. This creates: leg weakness and lameness from disproportionate loading, cardiovascular stress from the energy demands of rapid growth, and inability to mate naturally (standard commercial production relies on artificial insemination). These are inherent welfare compromises in the genetics of intensive turkey production.
Commercial turkeys are typically kept in large houses on litter — 40–50kg/m² is common in intensive systems. High stocking densities cause: reduced access to drinkers and feeders, increased ammonia-related respiratory disease, reduced ability to express natural behaviours, and increased litter wetness and contact dermatitis. Turkey welfare directives in the UK set maximum stocking densities and require enrichment provisions.
Feather pecking is a serious welfare problem in commercial turkey flocks, causing injury, pain, and significant mortality when outbreaks escalate to cannibalism. Risk factors include: insufficient enrichment, high stocking density, bright lighting, nutritional imbalances, and stress. Partial beak tipping is used on most commercial farms to reduce injury severity when feather pecking occurs. Environmental enrichment — bales, pecking objects, perches — reduces incidence.
Turkeys are susceptible to specific health problems: Histomoniasis (blackhead disease, caused by Histomonas meleagridis), respiratory disease complex, footpad dermatitis, and Marek's disease are significant welfare and production issues. Biosecurity, vaccination programmes, and litter management reduce disease burden. Regular veterinary health planning identifies and addresses emerging health problems early.
Turkeys are slaughtered primarily by controlled atmosphere killing (CAK) systems or electrical water bath stunning. CAK using nitrogen or CO₂ provides loss of consciousness before any handling stress. Electrical stunning requires careful parameter management for larger birds. Male turkeys present particular challenges for handling and shackling due to their size and strength.
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