Global ETD Search
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Showing 1 to 5 of 5 for “"group-pens"”.
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Assessing the well-being of gestating submissive sows in group pens using multiple welfare metrics
… these changes, despite studies concluding that group housing and individual gestation crates are both acceptable housing systems with regards to animal welfare. Group housing of sows does allow for social interactions and increased levels of mobility, however the greatest consequence is …
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Effect of alternative, individual and group housing systems, and management factors in group pens on the well-being of gestating sows
… (physical and biological) within an individual, group-pen, and stall-pen housing system can be modified to enhance the well-being of gestating sows. All systems measured within the dissertation were assessed throughout gestation using a multi-disciplinary approach to determine sow well-being. Sow …
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The effects of high fiber diets and feeding partitions on the well-being of group-kept sows
… or build new ones in order to comply with the group-housing mandates. One of the main concerns with housing sows in groups is the increased aggression at mixing and around limited resources, especially feed and water. Grouped-housed sows establish a social hierarchy upon mixing which often …
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The effect of two levels of dietary ractopamine hydrochloride (Paylean®) supplementation on growth performance, feed efficiency and quantitative carcass traits in finisher gilts
… gilts. In this 27-day study, a homogenous group of 71 grower gilts (LW = 43 ± 1 kg) were pre-selected at a source farm. The gilts were then housed in similar and equally sized group pens at the Hatfield experimental facility of the University of Pretoria and fed a standard maize-soya …
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Nitrogen balance and nutrient requirements of young Nellore bulls fed with static or oscillating crude protein levels, and feeding behavior, water intake and requirements of bulls with different residual feed intakes
… each feed. The bulls were housed in a feedlot in group pens that contained electronic feeders, waterers, and a scale connected to the waterers. At the end of the experiment, bulls were slaughtered to evaluate carcass characteristics. There was no alteration in the performance of growing Nellore …