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A promising resilience parameter for breeding:the use of weight and feed trajectories in growing pigs

Journal of Animal Science and Biotechnology 2023年第6期14卷 2363-2382页

作者： Wim Gorssen carmen winters Roel Meyermans Lea Chapard Katrijn Hooyberghs Steven Janssens Abe Huisman Katrijn Peeters Han Mulder Nadine Buys Center for Animal Breeding and Genetics Department of BiosystemsKU LeuvenKasteelpark Arenberg 30–Box 24723001 LeuvenBelgium. Laboratory for Biological Psychology KU LeuvenTiensestraat 102‑Box 37143000 LeuvenBelgium. Hendrix Genetics P.O.Box 1145830 AC BoxmeerThe Netherlands. Research Animal Breeding and Genomics Wageningen UniversityP.O.Box 3386700 AH Wageningenthe Netherlands

Background Increasing resilience is a priority in modern pig *** research shows that general resilience can be quantified via variability in longitudinal *** collection of such longitudinal data on weight,feed intake and feeding behaviour in pigs has been facilitated by the development of technologies such as automated feeding *** goal of this study was to investigate resilience traits,which were estimated as deviations from longitudinal weight,feed intake and feeding behaviour data during the finishing phase.A dataset with 324,207 records between the age of 95 and 155 days on 5,939 Pietrain pigs with known pedigree and genomic information was *** provided guidelines for a rigid quality control of longitudinal body weight data,as we found that outliers can significantly affect *** growth curve analysis,linear modelling and trajectory analyses were used for quantifying resilience *** To our knowledge,this is the first study comparing resilience traits from longitudinal body weight,feed intake and feeding behaviour data in *** demonstrated that the resilience traits are lowly to moderately heritable for deviations in body weight(h2=2.9%–20.2%),in feed intake(9.4%–23.3%)and in feeding behaviour(16.2%–28.3%).Additionally,these traits have good predictive abilities in cross-validation *** in individual body weight and feed intake trajectories are highly correlated(rg=0.78)with low to moderate favourable genetic correlations with feed conversion ratio(rg=0.39–0.49).Lastly,we showed that some resilience traits,such as the natural logarithm of variances of observed versus predicted body weights(lnvarweight),are more robust to lower observation frequencies and are repeatable over three different time periods of the finishing *** Our results will help future studies investigating resilience traits and resilience-related ***,our study provides first results on standardization of

关键词： Deviations Genetics Gompertz growth curves Heritability Pigs Predictive ability Resilience Trajectory analysis

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Design,construction,and thermal performamce evaluation of an innovative bio-based ventilated facade

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Frontiers of Architectural Research 2020年第3期9卷 681-696页

作者： Ester Pujadas-Gispert Mohammed Alsailani K.C.A.van Dijk(Koen) A.D.K.Rozema(Annine) J.P.ten Hoope(Puck) C.C.Korevaar(carmen) S.P.G.Moonen(Faas) Department of the Built Environment Eindhoven University of Technology5612AZEindhoventhe Netherlands

The energy consumption of the construction sector and its overall environmental impact has greater potential for improvement than those of many other *** energy consumed throughout the lifecycle of a building is expended during its operation and maintenance,for which the building envelope plays an important *** study reports on the design,construction,and thermal performance evaluation of a ventilated *** facade should be quickly assembled,disassembled,and stored in containers for easy onward *** features comply with the Rules and Buildins Code of the Solar Decathlon Middle East 2018 and the relevant *** facade is constructed using bio-based materials in keeping with the principles of a circular *** exterior cladding consists of sanitary paper,grass,reeds,recycled textiles,drinking water treatment waste,bio-based polyester resin,and other *** and the air velocity measurements recorded on the facade in Dubai showed that the facade had contributed to cool temperatures within the apartment,particularly during the hottest hours of the *** facade is a promising option for climates with hot summers and mild winters as it contributes to reducing energy consumption and the environmental impact of building materials.

关键词： Sustainable Energy-efficient Circular economy Bio-materials Green Cradle-to-cradle material

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