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Registros recuperados: 10
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Effect of faecal soiling on skatole and androstenone occurence in organic entire male pigs Organic Eprints
Thomsen, Rikke; Edward, Sandra E.; Jensen, Bent Borg; Rousing, Tine; Sørensen, Jan Tind.
Production of entire male pigs could be a future strategy for organic pig production. However, production of entire males leads to increased risk of carcasses with elevated boar taint levels. It is hypothesized that skatole levels in pig meat are affected by soiling with manure and that organic housing facilities can increase the risk of pigs being heavily soiled. Therefore the overall aim of this study was to investigate if increased pig and pen soiling increases skatole concentration in entire male pigs. In 5 herds, 1174 organic entire male pigs were reared in four batches across two seasons, summer and winter. Measurements of pig and pen soiling, as well as fat skatole and androstenone concentration and human sensory tests of fat odour, were performed....
Tipo: Journal paper Palavras-chave: "Organics" in general; Poultry; Regulation.
Ano: 2015 URL: http://orgprints.org/28044/7/28044.pdf
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Hangrise lugter mere end forventet Organic Eprints
Thomsen, Rikke; Jensen, Bent Borg; Eriksen, Simme; Sørensen, Jan Tind.
Økologiske hangrise vokser godt, men mange har et højt niveau af stoffer, der giver ornelugt.
Tipo: Newspaper or magazine article Palavras-chave: "Organics" in general; Animal husbandry; Feeding and growth; Health and welfare; Knowledge management.
Ano: 2012 URL: http://orgprints.org/22061/7/22061.pdf
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Influence of grouping strategy on welfare measurements of organic entire male pigs Organic Eprints
Thomsen, Rikke; Rousing, Tine; Edwards, Sandra A; Labouriau, R.; Sørensen, Jan Tind.
Alternatives to surgical castration in organic pig production are needed, due to stress and pain caused by castration of male pigs. One alternative, which is in accordance with the values in organic farming, is production of entire male pigs. However, changed behaviour of entires compared to castrates might affect the welfare of the animals. Therefore, in order to produce entire male pigs, without compromised animal welfare, changes in the production system, possible offered by the organic farming system, with e.g. more available space and access to rooting material and roughage, might be a necessity. The aim of this article is to investigate the effect of grouping strategy and group size on levels of mounting behaviour and skin lesions, hypothesising that...
Tipo: Journal paper Palavras-chave: "Organics" in general; Production systems; Health and welfare.
Ano: 2015 URL: http://orgprints.org/28171/7/28171.pdf
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Management of organic entire male pigs - boar taint and animal welfare issues Organic Eprints
Thomsen, Rikke.
In Denmark surgical castration is a routine procedure both within conventional and organic pig production, but this procedure has recently been debated due to welfare issues. Changing the entire pig producing sector to production of entire male pigs is not straightforward, as extensive research have shown problems of boar taint in the meat of entire male pigs, but also welfare issues arising during rearing.Production of entire male pigs will be favorable from an organic perspective, as omitting castration complies well with the values of organic farming in terms of animal integrity, and as execution of the castration procedure is impractical on pigs reared outdoors. Knowledge is lacking on how the rearing period is best adapted within the organic housing...
Tipo: Thesis Palavras-chave: "Organics" in general; Pigs.
Ano: 2015 URL: http://orgprints.org/28865/7/28865.pdf
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Nye staldkoncepter for økologiske slagtesvin - Afrapportering fra arbejdspakke 3 Organic Eprints
Lahrmann, Helle Pelant; Petersen, Danielle K.F.; Brogaard, Lisbeth; Andersen, Heidi Mai-Lis; Bonde, Marianne; Buus, Marie Lund; Thomsen, Rikke; Eriksen, Simme.
Projektet er en del af Organic RDD 2- programmet, som koordineres af ICROFS (Internationalt Center for Forskning i Økologisk Jordbrug og Fødevaresystemer). Det har fået tilskud fra Grønt Udviklings- og Demonstrationsprogram (GUDP) under Miljø- og Fødevareministeriet.
Tipo: Report Palavras-chave: Pigs.
Ano: 2018 URL: http://orgprints.org/33897/1/20180925064532.pdf
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Økologisk hangriseproduktion: Er dyrevelfærden i orden? Organic Eprints
Thomsen, Rikke; Kongsted, Anne Grete; Rousing, Tine; Bonde, Marianne.
Økologisk svinekød er et klart alternativ til konventionelt svinekød, da økologisk slag-tesvineproduktion med lavere belægningsgrad, adgang til udeareal og grovfoder er en markant anderledes produktionsform. Forbrugernes forventninger til et naturligt produkt betyder, at ophør af kastration har høj prioritet i fremtidig økologisk svine-produktion.
Tipo: Report chapter Palavras-chave: "Organics" in general; Health and welfare.
Ano: 2011 URL: http://orgprints.org/18886/3/18886.pdf
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Økologiske metoder giver god velfærd for hangrise Organic Eprints
Thomsen, Rikke.
De økologiske svineproducenter behøver ikke frygte for dyrevelfærden, hvis kastration bliver forbudt. En ny undersøgelse viser, at økologiske besætninger med hangrise kan opnå god velfærd og kan bane vejen for en fremtidig produktion.
Tipo: Newspaper or magazine article Palavras-chave: Health and welfare.
Ano: 2015 URL: http://orgprints.org/29263/1/29263.pdf
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Reduction of boar taint - the practical way Organic Eprints
Jensen , Bent Borg; Maribo, Hanne; Thomsen, Rikke.
The aim of organic pig production is to ensure high animal welfare and natural products. Banning castration is thus a logical step forward, but the risk of boar taint in the meat is a major barrier for marketing meat from entire male pigs. Is it possible to use genetic tools and breeding strategies to prevent boar taint? What is the effect of feeding, management, housing and hygiene? Is it possible to process the meat to minimize the risk of boar taint? These issues will be discussed based on the results from the research project NOCAST, as well as other on-going Danish research projects on entire male pigs. Susanne Støier (DK): Boar taint – detection, consumer response and product quality Hanne Maribo (DK), Bent Borg (DK) and Rikke Thomsen (DK):...
Tipo: Conference paper, poster, etc. Palavras-chave: "Organics" in general; Feeding and growth; Breeding and genetics.
Ano: 2013 URL: http://orgprints.org/24681/13/24681.pdf
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Tilsmudsningsskala Organic Eprints
Thomsen, Rikke; Buus, Marie Lund.
Der tages udgangspunkt i det beskidte areal på det givne kropsområde. Dernæst bestemmes om det beskidte areal udgør mere eller mindre halvdelen af kropsområdet. Ud af det beskidte areal vurderes om størstedelen udgøres af en gennemsigtigt eller ikke gennemsigtigt gødningslag.
Tipo: Working paper Palavras-chave: "Organics" in general; Health and welfare.
Ano: 2015 URL: http://orgprints.org/28665/7/28665.pdf
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Weight and season affects androstenone and skatole occurence in entire male pigs in organic pig production Organic Eprints
Thomsen, Rikke; Edwards, Sandra E; Jensen, Bent Borg; Rousing, Tine; Sørensen, Jan Tind.
To investigate the extent to which the level of androstenone and skatole decreases with a decrease in live weight and/or age at slaughter of entire male pigs produced under organic standards, 1174 entire male pigs were raised in parallel in 5 organic herds, distributed across 4 batches in summer and winter. The median androstenone level was high for organic entire male pigs (1.9 µg/g), but varied greatly both within and between herds. Median skatole level was 0.05 µg/g, also with a wide range both within and between herds. Decreasing live weight over the range of 110±15.6 kg sd was found to decrease androstenone as well as skatole concentration, however, with different patterns of association. Age did not have significant direct effect on either...
Tipo: Journal paper Palavras-chave: "Organics" in general; Feeding and growth; Pigs.
Ano: 2014 URL: http://orgprints.org/28043/7/28043.pdf
Registros recuperados: 10
Primeira ... 1 ... Última
 

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