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TERRA DI MONASTERI, CHIESE, MONUMENTI Banari, Cargeghe, Florinas, Muros, Osilo, Ploaghe, Siligo
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Influence of the milking units on the pulsation curve in dairy sheep milking
No full textMechanical milking is a critical operation in ewe dairy farming where the operative parameters and the milking routine strongly influence milk production and animal welfare. The challenge in adapting dairy animals to the farm environmental conditions may cause illness and compromise the quality of the products. From this perspective, it is important to evaluate the technological and operational aspects that can influence milk quality and animal welfare. Thus, the aim of this work was to investigate the effects on the pulsation curve of several teat cup characteristics (volume of the pulsation chamber) at determined operating parameters (vacuum level and pulsator rate) recorded from nine different milking units. Moreover, the touch point pressure of different liners was measured. Data analysis showed that the sheep milking unit characteristics affected the pulsation curve significantly. The length of both the increasing vacuum phase and the decreasing vacuum phase (phase “a” and “c”, respectively), which affect the milking and massage phases, was directly related to the pulsation chamber volume (R2 = 0.86) and the pulsator rate. No relationship emerged between the touch point pressure and specific characteristics of the liners such as the material, the shape, the diameter, the length, or the extension of the body. Considering the delicate role that the pulsation plays in ensuring animal welfare during milking, it is important to take into account the complete configuration and operative characteristics of the milking units. This will ensure that the complex interaction between the pulsation system and the milking units is considered when planning and assembling milking systems
Diversité linguistique et revitalisation dans l’aire linguistique catalane : le cas de Perpignan (France) et de L’Alguer / Alghero (Italie)
No full textDans cet article, nous nous proposons d’appréhender et d’interroger la manière dont Perpignan et L’Alguer ont su faire face au risque de substitution linguistique de leurs langues « minoritaires » et résister aux pressions des langues « majoritaires » respectives, à savoir le français et l’italien, à travers des mesures de revitalisation linguistique basées sur la nécessité d’une standardisation, d’une insertion de la langue locale en milieu scolaire dans des classes d’immersion ainsi que de son emploi dans le domaine de la promotion touristique. Les tentatives de revitalisation passent alors en premier lieu par l’enseignement, mais les initiatives, surtout dans le contexte de L’Alguer, sont confiées aux associations privées, alors que le public peine à assurer le suivi des différents projets qui sont tour à tour lancés. Le domaine du tourisme est sans aucun doute celui où la langue minoritaire est le plus souvent affichée. À Perpignan notamment, le catalan, dans sa forme standard, se présente comme une devanture et pas vraiment comme un moyen de communication
Dinamiche storiche, identitarie e linguistiche di due comunità venetofone in Sardegna: i casi di Arborea e Fertilia
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Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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