TY - THES ID - 7793133 TI - "Say what ? " : Vocalisation as an indicator of welfare in the domestic laying hen. PY - 1999 SN - 9058081591 PB - Wageningen : Wageningen University, DB - UniCat KW - Poule pondeuse KW - Layer chickens KW - Comportement KW - Behaviour KW - Bien-ĂȘtre animal KW - animal welfare KW - 636.5 KW - 636.034 KW - 591.58 KW - 636.083.1 KW - Poultry KW - Animals kept for live yield of food produce. Dairy and egg-laying stock. Milk and egg yields KW - Communication and expression by sound or ultrasonic vibrations, mime or other signals, smell, touch or chemical sense (chemoreception) KW - Management and maintenance of buildings for rearing livestock. Litter. Comfort and welfare of enclosed animals KW - Theses KW - 636.083.1 Management and maintenance of buildings for rearing livestock. Litter. Comfort and welfare of enclosed animals KW - 591.58 Communication and expression by sound or ultrasonic vibrations, mime or other signals, smell, touch or chemical sense (chemoreception) KW - 636.034 Animals kept for live yield of food produce. Dairy and egg-laying stock. Milk and egg yields KW - 636.5 Poultry UR - https://www.unicat.be/uniCat?func=search&query=sysid:7793133 AB - ER -