Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Chou, J.-Y., O'Driscoll, K., D'Eath, R. B. et al. 2019. Multi-step tail biting outbreak intervention protocols for pigs housed on slatted floors. Animals 9(8), 582.

Solutions are needed to keep pigs under commercial conditions without tail biting outbreaks (TBOs). However, as TBOs are inevitable, even in well managed farms, it is crucial to know how to manage TBOs when they...

Edwards, L. E., Plush, K. J., Ralph, C. R. et al. 2019. Enrichment with lucerne hay improves sow maternal behaviour and improves piglet survival. Animals 9(8), 558.

This study investigated the effects of providing lucerne hay on the behaviour and the performance of sows housed in farrowing crates during farrowing and lactation. Seventy-two mixed parity sows received either 1 kg lucerne hay...

Trocino, A., Zomeño, C., Filiou, E. et al. 2019. The use of environmental enrichments affects performance and behavior of growing rabbits housed in collective pens. Animals 9(8), 537.

This study assessed the effects of an elevated plastic-slatted platform and/or a plastic hiding tube in collective pens with large group sizes (27 or 36 rabbits/pen; 16 rabbits/m2) on the performance and welfare of rabbits...

Mastellone, V., Bovera, F., Musco, N. et al. 2019. Mirrors improve rabbit natural behavior in a free-range breeding system. Animals 9(8), 533.

The aim of this research was to evaluate the possible usefulness of mirrors in improving rabbit behavior in a free-range breeding system. Three groups (each consisting of nine replicates of three animals) were compared: isolated...

Godyń, D., Nowicki, J., Herbut, P. 2019. Effects of environmental enrichment on pig welfare—A review. Animals 9(6), 383.

Good husbandry conditions on farms is of key importance for assuring animal welfare. One of the most important legal documents regulating the rules of maintaining pigs is the Directive 2008/120/EC, which states that group-housed pigs...

Roy, C., Lippens, L., Kyeiwaa, V. et al. 2019. Effects of enrichment type, presentation and social status on enrichment use and behaviour of sows with electronic sow feeding. Animals 9(6), 369.

The goal of this study was to identify practical enrichments for sows in partially or fully slatted pen systems. Four treatments were applied: (1) Constant: constant provision of wood on chain; (2) Rotate: rotation of...

Pelant Lahrmann, H., Faustrup, J. F., Hansen, C. F. et al. 2019. The effect of straw, rope, and bite-rite treatment in weaner pens with a tail biting outbreak. Animals 9(6), 365.

Tail biting in pigs is an injurious behaviour that spreads rapidly in a group. We investigated three different treatments to stop ongoing tail biting outbreaks in 65 pens of 6–30 kg undocked pigs (30 pigs...

Riggio, G., Mariti, C., Boncompagni, C. et al. 2019. Feeding enrichment in a captive pack of European wolves (Canis lupus lupus): Assessing the effects on welfare and on a zoo's recreational, educational and conservational role. Animals 9(6), 331.

This study investigated the effects of two feeding enrichment programs on the behaviour of a captive pack of European wolves (Canis lupus lupus) and their correlation with both zoo visitors' interest towards the exhibit and...

van de Weerd, H., Ison, S. 2019. Providing effective environmental enrichment to pigs: How far have we come? Animals 9(5), 254.

Science has defined the characteristics of effective environmental enrichment for pigs. We provide an overview of progress towards the provision of pig enrichment in the three largest global pork producing regions. In the USA, enrichment...

Fàbrega, E., Marcet-Rius, M., Vidal, R. et al. 2019. The effects of environmental enrichment on the physiology, behaviour, productivity and meat quality of pigs raised in a hot climate. Animals 9(5), 235.

Some positive effects regarding the use of enrichment material on the stimulation of pig exploration and a reduction in redirected behaviour was reported. This study aims to evaluate the effects of four enrichment materials on...

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