Pig

Manell, E., Hedenqvist, P., Jensen-Waern, M. 2021. Training pigs for oral glucose tolerance test—Six years’ experience of a refined model. Animals 11(6), 1677.

Animal models of human diseases are important in biomedical research. When using animals for scientific purposes, the 3Rs (replace, reduce, refine) should be considered. Refinement of animal models is essential to ensure best use of...

Jønholt, L., Bundgaard, C. J., Carlsen, M. et al. 2021. A case study on the behavioural effect of positive reinforcement training in a novel task participation test in Göttingen mini pigs. Animals 11(6), 1610.

In laboratory animal research, many procedures will be stressful for the animals, as they are forced to participate. Training animals to cooperate using clicker training (CT) or luring (LU) may reduce stress levels, and thereby...

Hayes, M. E., Hemsworth, L. M., Morrison, R. S. et al. 2021. Positive human contact and housing systems impact the responses of piglets to various stressors. Animals 11(6), 1619.

This experiment studied the effects of lactation housing systems and human interaction on piglets’ responses to routine stressors. Forty litters of piglets were reared in either a standard farrowing crate (FC) or a loose farrowing...

Robbins, L. A., Green-Miller, A. R., Johnson, J. S. et al. 2021. One is the coldest number: How group size and body weight affect thermal preference in weaned pigs (3 to 15 kg). Animals 11(5), 1447.

Housing pigs within their thermal comfort zone positively impacts productivity and performance. However, fundamental information on behavioral thermoregulatory responses of individual and group-housed pigs is meager. As a gregarious species, pigs prefer to be near...

Rooney, H. B., Schmitt, O., Courty, A. et al. 2021. Like mother like child: Do fearful sows have fearful piglets? Animals 11(5), 1232.

Gestational and early life experiences affect subsequent behavioural and physical development. The objective of the current study was to investigate associations between gilts’ fear of humans, gestational stress level, and feeding and maternal behaviour, as...

Shao, H., Pu, J., Mu, J. 2021. Pig-posture recognition based on computer vision: Dataset and exploration. Animals 11(5), 1295.

Posture changes in pigs during growth are often precursors of disease. Monitoring pigs’ behavioral activities can allow us to detect pathological changes in pigs earlier and identify the factors threatening the health of pigs in...

Kumar, V., Buragohain, S., Deka, P. J. et al. 2021. Non-invasive reproductive hormone monitoring in the endangered pygmy hog (Porcula salvania). Animals 11(5), 1324.

The pygmy hog (Porcula salvania), until recently was classified as a critically endangered suid facing the threat of extinction due to habitat degradation. Efforts are being made to protect the pygmy hog from extinction and...

Kinane, O., Butler, F., O’Driscoll, K. 2021. Freedom to grow: Improving sow welfare also benefits piglets. Animals 11(4), 1181.

Piglet mortality, especially due to crushing, is a concern in pig production. While current systems use farrowing crates to reduce mortality, they present major animal welfare problems for the sow. This study investigated the effects...

Ceballos, M. C., Rocha Góis, K. C., Parsons, T. D. et al. 2021. Impact of duration of farrowing crate closure on physical indicators of sow welfare and piglet mortality. Animals 11(4), 969.

This study examines effects of opening hinged farrowing crates 4 or 7 days post-farrowing. Sows (n = 696) allocated to 3 treatments: PC—crate closed, T4—crate opened day 4, and T7—crate opened day 7 were assessed...

Schmid, S. M., Büscher, W., Steinhoff-Wagner, J. 2021. Suitability of different thermometers for measuring body core and skin temperatures in suckling piglets. Animals 11(4), 1004.

Monitoring the temperature of piglets after birth is critical to ensure their well-being. Rectal temperature measurement is time-consuming, requires fixation of the animal and is stressful for piglets. This study aims to evaluate the effectiveness...

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