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| Heckendorn, F.; Häring, D.A.; Amsler, Z.; Maurer, V.. |
| The aim of this experiment conducted at four sites in Switzerland was to investigate the transmission and infectivity of the two main helminth parasite species of poultry (Ascaridia galli and Heterakis gallinarum) in outdoor runs with two different stocking rates. Additionally, the influence of a simplemanagement practice (mowing of run) on helminth transmission was studied. Three run types were created on each site: runs C served as control (stocking rate 10 m2/hen, no management), runs B corresponded to runs C but were managed (10 m2/hen, management). In runs A stocking rates were doubled compared to control runs (5 m2/hen, no management). During two subsequent layer flocks, a set of parasitological parameters (faecal egg counts (FECs), prevalence, worm... |
| Tipo: Journal paper |
Palavras-chave: Poultry; Health and welfare. |
| Ano: 2009 |
URL: http://orgprints.org/15621/1/Heckendorn_2009_Vet_Parasitol.pdf |
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| Häring, D.A.; Scharenberg, A.; Heckendorn, F.; Dohme, F.; Lüscher, A.; Maurer, V.; Suter, D.; Hertzberg, H.. |
| Tanniferous forage plants can have beneficial effects on ruminant productivity and health (improved protein supply, bloat safety and antiparasitic properties). However, condensed tannins can also lower palatability, voluntary feed intake and digestibility. The aim of our interdisciplinary project was to generate basic knowledge on plant management, feed palatability and the antiparasitic properties of tanniferous forage plants for their practical application in agronomy, focusing on their usefulness in controlling gastrointestinal nematodes in organic farming. We found that Onobrychis viciifolia (sainfoin), Lotus corniculatus (birdsfoot trefoil) and Cichorium intybus (chicory) were suitable for cultivation under the given temperate climatic conditions,... |
| Tipo: Journal paper |
Palavras-chave: Sheep and goats; Health and welfare. |
| Ano: 2007 |
URL: http://orgprints.org/13304/1/Haering_et_al_RAFS07.pdf |
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| Häring, D.A.; Suter, D.; Lüscher, A.. |
| Depending on the concentration in which they are fed, condensed tannins (CT) can have various beneficial or detrimental effects on ruminants. In organic farming the anthelmintic effects of CT are of special interest. In an outdoor experiment, the sea-sonal dynamics of the CT concentration of the harvestable biomass was investigated as a function of the biomass allocation to leaves and stems in Onobrychis viciifolia, Lotus corniculatus and Cichorium intybus in the course of a vegetation period in Zu-rich, Switzerland. Such knowledge is indispensable for a practical application of tan-niferous plants in farming systems. In line with our expectations, CT concentrations were higher in leaves than in stems and the leaf fraction of the harvestable biomass... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Pasture and forage crops; Health and welfare; Feeding and growth. |
| Ano: 2007 |
URL: http://orgprints.org/9277/1/9277_H%C3%A4ring_Vortrag.pdf |
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| Lüscher, A.; Häring, D.A.; Heckendorn, F.; Scharenberg, A.; Dohme, F.; Maurer, V.; Hertzberg, H.. |
| On organic farms, infections of gastro-intestinal nematodes (GIN) in grazing cattle, sheep and goats can have a detrimental impact on animal health, and are therefore of substantial economic importance. The aim of our interdisciplinary project is to investigate the basic conditions for the implementation of a control strategy against GIN based on the use of tanniferous plants. The project combines research on plant growth and management, animal nutrition and parasitology. The first results, especially those from Onobrychis viciifolia (sainfoin), presented here are encouraging. O. viciifolia has a consistently high concentration of condensed tannins (CT) throughout the whole growing season. Thus, the optimal time for harvest can be determined in relation to... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Health and welfare. |
| Ano: 2005 |
URL: http://orgprints.org/4478/3/L%C3%BCscher_etal_4p_revised%2Ded.doc |
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