Behavioural and anatomical consequences of two beak trimming methods in 1- and 10-d-old domestic chicks

animal welfare aserrado aves de corral beak bec behaviour bienestar animal chicks comportamiento comportement consommation alimentaire (animaux) consumo de piensos debeaking despicado digestion feathers feed consumption gain de poids ganancia de peso methode methodology methods pico plumas plume pollito poultry poussin sawing sciage volaille weight gain