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Increasing litter size in hyperprolific sows has led to the need for management systems for surplus piglets, one of which is the use of nurse sows. The aim of this study was to investigate physiological changes in salivary cortisol, heart rate and number of milk let-downs in nurse sows compared to non-nurse sows. Sows were divided into three treatments: 1) control (non-nurse) sows nursed their own...
Straw stimulates explorative behaviour and is therefore attractive to pigs. Further, it can be effective in reducing negative pen-mate directed behaviours. Under most commercial conditions, straw can only be used in limited amounts as it can be difficult to handle in most vacuum slurry systems and is expensive. In addition, straw needs to remain fresh in order to have a degree of novelty. The aim...
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