Governing animal–human relations in farming practices: a study of group housing of sows in the EU

EU pig welfare legislation required European pig farmers to shift from individual to group housing of pregnant sows by 1 January 2013. This requirement was principally designed to meet the sows’ needs for locomotion and interaction with conspecifics. This article explores how the legislation affected everyday sow–farmer interactions, which influence farm animal welfare to an important degree. We start by analysing conceptualisations of sow welfare and sow–farmer relations as implicated in the EU directive and the scientific advice that informed it. Contending that these conceptualisations largely overlook co-developments in sow housing systems and sow–farmer relations, we subsequently introduce an alternative analytical framework that builds on sociological, practice-oriented theories. We then apply this framework to analyse 19 qualitative interviews with pig farmers in Belgium on the on-farm introduction of group sow housing. In this analysis, we discern different ways in which farmers’ choices for particular group housing systems were co-constituted by and co-constitutive of everyday sow–farmer relations. We conclude by reflecting on the scientific and policy implications of these findings

Brood sow management

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Comparative study of the effective single mode operational bandwidth in sub-wavelength optical wires and conventional single-mode fibers

We present the first experimental comparison of effective single mode operation bandwidth in sub-wavelength optical wires (SOWs) and conventional single-mode fibers (SMFs). The full transmission spectrum, half-turn bend loss and mode field diameter were measured and compared for a variety of SMFs of different cut-off wavelength and a SOW. The SOW was shown to offer an enormously broadband single-mode operation bandwidth with a larger mode field area than the SMFs. Applications of SOWs include fiber lasers, sensors, photolithography and optical coherence tomography amongst other

Alternative farrowing systems: design criteria for farrowing systems based on the biological needs of sows and piglets

The construction of a suitable farrowing environment is a continuing dilemma: the piglet's needs must be matched with those of the sow and the farmer during the main phases that constitute farrowing: nest building, parturition and lactation. Difficulties exist in resolving the various conflicts of interest between and within these three parties (e. g. sow v. farmer: space needed for nest building v. space needed to maximise the amount of farrowing accommodation, or sow v. sow: ensuring the survival of the current litter v. maintaining condition for future litters). Thus, the challenge is to resolve these conflicts and design a system that maximises sow and piglet welfare while maintaining an economically efficient and sustainable enterprise. In order to successfully design a farrowing and lactation environment, it is necessary to consider the biological needs of both the sow and her litter. The natural behaviour of the sow has been well documented and very little variation exists between reports of peri-parturient behaviour observed in extensively kept domestic sows and their wild counterparts. The failure for domestication to significantly alter these behavioural patterns provides evidence that they are biologically significant and that the commercial farrowing environment should attempt to accommodate this behavioural repertoire. In addition, the behavioural needs of the piglets, as well as the physiological needs of both sows and their offspring should be considered. This article aims to review the considerable body of literature detailing the behavioural repertoire of sows and their offspring during the different phases of farrowing, and the accompanying physiological processes. The focus is on identifying biological needs of the animals involved in order to synthesise the appropriate design criteria for farrowing and lactation systems, which should optimise both welfare and animal production.</p

Overwintering and regrowth of Sonchus arvensis roots in Finland as affected by fragmentation and burial in three different soil types

In this study the effect of root fragmentation, burial depth and soil type on overwintering and regrowth of Sonchus arvensis L. (perennial sow-thistle) was studied

Family reunification ideals and the practice of transnational reproductive life among Africans in Europe

-family, migration

Women's Political Participation and Economic Empowerment in Post-conflict Countries: Lessons From the Great Lakes Region in Africa

This report represents a synthesis of the key findings and recommendations of a regional research project on women's political participation and economic empowerment in countries emerging from conflicts in the Great Lakes region of Africa. The research focuses on four case studies and examines the nature and quality of women's political participation in the four countries to establish whether women's increased representation in decision making at the national and local governance level has translated into the adoption of gender equality policies and enhancement of women's socio-economic status at all levels of society. The research further analyses the economic dimension of women's political participation by linking women's economic empowerment and their representation in the political arena

Wide field-of-view microscope based on holographic focus grid illumination

We have developed a new microscopy design that can achieve wide field-of-view (FOV) imaging and yet possesses resolution that is comparable to a conventional microscope. In our design, the sample is illuminated by a holographically projected light-spot grid. We acquire images by translating the sample across the grid and detecting the transmissions. We have built a prototype system with an FOV of 6mm×5mm and acquisition time of 2.5s. The resolution is fundamentally limited by the spot size—our demonstrated average FWHM spot diameter was 0.74μm. We demonstrate the prototype by imaging a U.S. Air Force target and a lily anther. This technology is scalable and represents a cost-effective way to implement wide FOV microscopy system