The influence of stress and the social environment on oestrus and mating in swine [including 4 papers]

accouplement aggressive behaviour alojamiento de animales animal housing cerdo ciclo estral comportamiento agresivo comportamiento social comportement agressif comportement social copulation cycle oestral environmental factors estres estructura social facteur du milieu factores ambientales logement des animaux oestrous cycle porcin social behaviour social structure stress structure sociale swine