9781: Einfluss von Bestandsgröße und Haltungsbedingungen auf Leistung, Mortalität und Gefiederzustand von Legehennen in Biobetrieben [Influence of flock size and housing conditions on performance, mortality and plumage of laying hens on organic farms in Germany]
(2007) Einfluss von Bestandsgröße und Haltungsbedingungen auf Leistung, Mortalität und Gefiederzustand von Legehennen in Biobetrieben [Influence of flock size and housing conditions on performance, mortality and plumage of laying hens on organic farms in Germany]. Poster presented at Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.
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Summary
Aim of the study was to test possible influences on performance parameters in com-mercial layer farms. 106 flocks at 70 organic farms in Germany were investigated. Egg performance and mortality were collected from farm records. The integument of the hens was assessed with a scoring index (plumage condition and injuries).
Egg performance was higher at bigger farms. These farms showed often a better management (e.g. more health records or feed analyses). However, plumage was scored worse with increasing stock size. Bigger farms had higher densities in the hen house and at equipments like nests, feeders or drinkers. Therefore, more intensive housing conditions could have been the cause of plumage damages.
| Document Language: | Deutsch - German |
|---|---|
| Keywords: | Geflügel, Tierhaltung und Zucht, Tiergesundheit, Einflussfaktoren |
| Subject Areas: | Animal husbandry > Production systems > Poultry Animal husbandry > Health and welfare |
| Research affiliation: | International Conferences > Scientific Conferences for D,A,CH (Wissenschaftstagung) > Scientific Conference 2007 > 2 Livestock > 2.1 Livestock husbandry and livestock breeding |
| Total budget (Euro): | 0 |
| Orgprints ID Number: | 9781 |
| Contact: | Trei, Dipl.-Ing. agr. Gerriet |
| Deposited On: | 24 May 2007 |
| EPrint Type: | Conference poster |
| Published?: | Published |
| Type of presentation: | Poster |
| Peer Review Status: | Peer-reviewed and accepted |
| Additional Publishing Information: | Die endgültige Version des Beitrags ist veröffentlicht in: S. Zikeli, W. Claupein, S. Dabbert, B. Kaufmann, T. Müller und A. Valle Zárate, Hrsg. (2007) Zwischen Tradition und Globalisierung – 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Deutschland, 20.-23. März 2007, http://orgprints.org/10742/ |
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