Vocalisations of the adult female domestic pig during a standard human approach test and their relationships with behavioural and heart rate measures

Relationship between residual energy intake and the behaviour of growing pigs from three genetic lines

“…Among the stress-related variables included in the model, vocalisations, that may be interpreted as social calls (Marchant et al, 2001), had the largest influence on factor 1 (Fig. 1).…”

“…1). Given that vocalisations were measured when pigs were moved from their home pen or when they were handled (about 2 min along the 56 d of the experiment), the energy expenditure related to that behaviour (Marchant et al, 2001) may not have had any direct impact on RMEI measured over a period of 56 d. The relationship between RMEI and vocalisations may rather be related to the stress susceptibility of pigs. About-turn behaviour at weighing, which may be interpreted as a sign of fear when being moved from the home pen toward an unknown environment, was also related to factor 1.…”

Perception of environment in farm animals – A review

“…Each of them is connected with different situations. For example, short, single grunts are typical during exploration, contact and greeting long grunts are typical for movement and squeals are associated with distress (Marchant et al, 2001).…”

Indicadores do bem-estar em suínos

“…A frequência cardíaca aumentou (104,9bpm) no transporte e diminuiu (91,04bpm) no descanso. Outro estudo, analisando a frequência cardíaca por meio de um monitor, observou que marrãs (n=65) tiveram a frequência cardíaca aumentada quando em contato com tratador desconhecido (MARCHANT et al, 2001). …”