P

pain

pain, invertebrates

pain, suffering, and behavior

painism

pantheism and panentheism

parasite

parrot

Pavlov, Ivan

pecking behavior

penguin

People for the Ethical Treatment of Animals (PETA)

perception

perching behavior

performance testing

personality

pest control, ethics of

pest species, welfare of

pet renting

petting

pheasant

pheromonatherapy

The Philippines: Country Analysis

photoperiod

phylogeny

pig

pigeon

play

pleasure and animal welfare

poetry and representation of animals

the political subjectivity of animals

political theory and animals

polyism

porcine stress syndrom

Portugal: Country Analysis

positive welfare

practical ethics and human-animal relationships

predator control

predator control and Ethics

preening

preference

production animal diseases

prolactin

PSE meat

punishment

puppy mills