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Registros recuperados: 44
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Alternatives to Synthetic Chemical Antiparasitic Drugs in Organic Livestock Farming in Europe Organic Eprints
Hoste, Hervé; Sotiraki, Smaragda; Mejer, Helena; Heckendorn, Felix; Maurer, Veronika; Thamsborg, Stig.
Gastrointestinal parasitism with helminths and protozoa remains a major threat in cattle and small ruminant production and has been “rediscovered” in pig and poultry production systems operating under organic farming rules because of the requirement to grant outdoor access to the animals. The control of these parasitic infections is a key issue for the economic viability of farms and for animal welfare. Control solutions aim at (i) providing the agronomical bases for parasite control through rational management of pastures; (ii) stimulating the host immune response through different means; (iii) exploring and evaluating the efficacy of new drugs (i.e., phytotherapy, homeopathy and nutraceuticals); and (iv) developing new concepts of application of chemical...
Tipo: Book chapter Palavras-chave: Health and welfare.
Ano: 2014 URL: http://orgprints.org/25741/1/Chapter%208_ProofPDF-2HH.pdf
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Anfälligkeit für innere Parasiten bei Schaf und Ziege im Hinblick auf Rassen- und Herdenunterschiede Organic Eprints
Heckendorn, Felix.
Infektionen mit inneren Parasiten gehören weltweit zu den bedeutendsten Gesundheitsproblemen von Schafen und Ziegen. Insbesondere führt die Gruppe der Magen-Darm Strongyliden (MDS) zu beträchtlicher Morbidität und hohen ökonomischen Verlusten. Am Beispiel der englischen Schafzuchtindustrie wurde berechnet, dass die jährlichen durch MDS verursachten fi nanziellen Verluste über 103 Millionen Euro ausmachen (Nieuwhof und Bishop, 2005). Seit den sechziger Jahren wurden MDS mit chemischsynthetischen Medikamenten (Anthelminthika) kontrolliert. Die häufige und teilweise unsachgemässe Anwendung dieser Antiparasitika führte jedoch in den letzten Jahren zu erheblicher Resistenzbildung der Parasiten gegen verschiedene Anthelminthika-Wirkstoffgruppen beim Schaf...
Tipo: Conference paper, poster, etc. Palavras-chave: Breeding and genetics; Sheep and goats; Health and welfare.
Ano: 2012 URL: http://orgprints.org/22188/1/Heckendorn_11.2012_AT.pdf
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Control of gastrointestinal nematodes in organic beef cattle through grazing management Organic Eprints
Hertzberg, Hubertus; Figi, Rolf; Noto, Fabio; Heckendorn, Felix.
Gastrointestinal nematodes (GIN) are a major health and economic risk factor in ruminant production in organic and conventional farms (Thamsborg et al., 1999). Fattening of organic beef cattle (OBC) on pasture is an emerging area for organic farmers in Switzerland, which partly compensates the declining development in dairy production. So far, there are no data available about the parasitic status of beef cattle kept in organic farms between weaning (4-6 month) and slaughter (24-26 month). The aim of the present study was to assess the parasitological status of organic beef cattle in the pre-alpine and alpine region of Switzerland and to analyse the benefits of different grazing strategies for GIN control.
Tipo: Book chapter Palavras-chave: Beef cattle; Health and welfare; Feeding and growth.
Ano: 2004 URL: http://orgprints.org/3158/1/hertzberg%2Det%2Dal%2D2004%2Dcontrol%2Dof%2Dgastrointstinal%2Dnematodes.pdf
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Contrôler efficacement les parasites internes des bovins par la gestion de la pâture Organic Eprints
Heckendorn, Felix; Frutschi, Véronique.
Cette fiche technique a pour objectif de presenter des stratégies durables de régulation des parasites internes des bovins. Un accent particulier est mis dans le contrôle des strongles gastrointestinaux via une gestion ciblée de la pâture. Des recommandations sur la regulation de la grande douve du foie et des vers pulmonaires complètent la fiche.
Tipo: Book Palavras-chave: Beef cattle; Health and welfare.
Ano: 2014 URL: http://orgprints.org/25504/1/1631-parasites-des-paturages.pdf
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Development of prevention and treatment strategies for parasites in poultry Organic Eprints
Maurer, Veronika; Amsler, Zivile; Heckendorn, Felix; Perler, Erika.
Parasitic infections are likely to be more important in organic and other free-range hens than in birds kept indoors. Several workpackages of QLIF aim at improving prevention and therapy of helminth (Ascaridia galli and Heterakis gallinarum) and arthropod (Dermanyssus gallinae) parasites of laying hens. This paper is a summary of the work undertaken in the first 3 years of QLIF.
Tipo: Conference paper, poster, etc. Palavras-chave: Poultry; Health and welfare.
Ano: 2007 URL: http://orgprints.org/10267/1/maurer-etal-2007-parasites_poultry.pdf
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Distribution of infection with gastro-intestinal nematodes in different groups of dairy goats in Switzerland and its influence on milk production Organic Eprints
Grohmann, Markus; Winckler, Christoph; Perler, Erika; Isensee, Anne; Christ, Benedikt; Amsler, Zivile; Werne, Steffen; Maurer, Veronika; Heckendorn, Felix.
The aim of this field study was to investigate interactions between gastro-intestinal nematode (GIN) infection, milk performance and age in goats in order to identify animal groups with higher susceptibility to GIN. On 3 farms (farm A: n = 29, farm B: n = 33, farm C: n = 117 milking goats) fecal egg count reduction tests (FECRT) were performed in summer. All 179 milking goats were enrolled in FECRT and individual milk performance was recorded before and after FEC for FECRT. Furthermore, in early summer and autumn bulk fecal samples were cultured for every farm and GIN genera were determined.
Tipo: Conference paper, poster, etc. Palavras-chave: Animal husbandry; Breeding and genetics; Sheep and goats; Health and welfare.
Ano: 2012 URL: http://orgprints.org/21676/1/CAPARA_Gran_Canaria_Abstract_Grohmann.pdf
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Effect of sainfoin (Onobrychis viciifolia) silage and hay against gastrointestinal nematodes in lambs Organic Eprints
Heckendorn, Felix; Häring, Dieter Adrian; Maurer, Veronika; Zinsstag, Jakob; Langhans, Wolfgang; Hertzberg, Hubertus.
The objective of the studywas to examine the effect of dried and ensiled sainfoin (Onobrychis viciifolia) on established populations of Haemonchus contortus (abomasum) and Cooperia curticei (small intestine) in lambs under controlled conditions. Twenty-four parasite naı¨ve lambs were inoculated with a single dose of infective larvae of these parasites 28 days prior to the start of the feeding experiment. Twenty-four days post-infection, 4 days prior to the start of the feeding experiment, animals were allocated to four groups according to egg excretion, liveweight and sex. GroupsAandBreceived sainfoin hay and control hay, respectively, for 16 days. Groups CandDwere fed on sainfoin silage or control silage for the same period. Feeds were offered ad...
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare; Feeding and growth.
Ano: 2006 URL: http://orgprints.org/13141/1/heckendorn-etal-2006-vet_parasitol.pdf
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Effect of sainfoin (Onobrychis viciifolia) silage and hay against gastrointestinal nematodes in lambs Organic Eprints
Heckendorn, Felix; Häring, Dieter Adrian; Maurer, Veronika; Langhans, Wolfgang; Hertzberg, Hubertus.
The objective of the study was to examine the effect of dried and ensiled sainfoin (Onobrychis viciifolia) against two species of gastrointestinal nematodes (Haemonchus contortus, Cooperia curticei) in lambs. Twenty-four days post experimental infection, 24 lambs were allocated to 4 equal groups. Group A and B received sainfoin silage and control silage respectively for 16 days. Groups C and D were fed on sainfoin hay or control hay for the same period. Feeds were administered ad libitum and mean refusals and live weight were regularly recorded. Individual faecal egg counts (FEC) were performed twice weekly. After the feeding period all lambs were slaughtered for post mortem investigation. The consumption of sainfoin hay was associated with a significant...
Tipo: Conference paper, poster, etc. Palavras-chave: Sheep and goats; Health and welfare; Feeding and growth.
Ano: 2007 URL: http://orgprints.org/9320/1/9320_Heckendorn_Vortrag.pdf
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Effects of paddock management on vegetation, nutrient accumulation, and intrnal parasites in laying hens Organic Eprints
Maurer, Veronika; Hertzberg, Hubertus; Heckendorn, Felix; Hördegen, Philipp; Koller, Martin.
Management of paddocks for free-range layers requires an effort from farmers to minimize the adverse effects of these systems on animal health (e.g., parasites)and environment (e.g., nutrient accumulation and leaching). In this study, we report results from 2 on-farm experiments conducted to investigate (1) the effects of rotational versus continuous use of the paddocks and(2) the effects of wood chips in the area close to the pop holes (openings to the paddock) with regard to turf quality, nutrient load in the soil, and parasite infections. Rotational use of the hen paddocks led to a lower proportion of bare soil close to the house, but not in more distant regions. Covering the area in front of the house with wood chips did not reduce bare areas. Nitrogen...
Tipo: Journal paper Palavras-chave: Health and welfare; Poultry.
Ano: 2013 URL: http://orgprints.org/22895/1/Maurer_2013_JAPR.pdf
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Erfolgreiche Weidehaltung. Der Schlüssel zu niedrigen Kosten in der Milchproduktion Organic Eprints
Schleip, Inga; Huguenin, Olivier; Hermle, Martin; Heckendorn, Felix; Sixt, Dieter; Volling, Otto; Schindele, Michael.
Das Merkblatt gibt einen Einblick in die wichtigsten Aspekte der Weidehaltung von Milchkühen und führt schrittweise durch deren Planung.
Tipo: Book Palavras-chave: Dairy cattle; Health and welfare.
Ano: 2016 URL: http://orgprints.org/30803/1/1714-weidehaltung.pdf
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Feeding sainfoin to goats – influence on milk and cheese quality and yield Organic Eprints
Heckendorn, Felix; Schwery, Moritz; Volken, Herbert; Maurer, Veronika; Simonnet, Xavier.
Although the administration of sainfoin is associated with anthelmintic effects, information on the consequences of feeding this legume on product quality is scarce. In the present study we looked at milk quality and yield of goats fed either sainfoin or a non-tanniferous control forage. Twelve lactating goats of the alpine breed were used for the study. They received grass/clover hay for a period of 15 days (grass clover feeding period, GCFP). Then the feed was switched to sainfoin hay (approx. 90 % of daily intake) for another 15 days (sainfoin feeding period, SFP). Both feeds were supplemented with concentrates in order to guarantee isoproteic and isoenergetic feeding throughout the trial. Milk yield and quality (fat, protein, energy and urea) were...
Tipo: Conference paper, poster, etc. Palavras-chave: Feeding and growth; Sheep and goats.
Ano: 2012 URL: http://orgprints.org/21723/1/heckendorn-etal-2012-Goat_Milk_Cheese_Sainfoin.pdf
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Futterpflanze hilft gegen Parasiten von Schaf und Ziege Organic Eprints
Heckendorn, Felix; Simonnet, Xavier.
Die früher verbreitete Futterpflanze Esparsette hat einen positiven Einfluss nicht nur auf die Produktivität der Kleinwiederkäuer. Sie fördert auch deren Gesundheit und kann insbesondere zur Bekämpfung von Magen-Darm-Parasiten bei Schafen und Ziegen beitragen.
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2012 URL: http://orgprints.org/21115/1/Seiten_aus_ba%2Dd%2D2012%2D01%2D5.pdf
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Fütterung von Esparsette bei Ziegen - Effekte auf innere Parasiten und Milch Organic Eprints
Heckendorn, Felix.
Verschiedene in der Schweiz durchgeführte Versuche haben ezeigt, dass die Verfütterung von Esparsette innere Parasiten beim Schaf reduziert. Untersuchungen aus Frankreich weisen darauf hin, dass ähnliche Effekte der Esparsette auch bei der Ziege nachweisbar sind. Im Rahmen eines Interreg IVa Projekts zwischen der Schweiz und Frankreich wurden während zwei Jahren weitere Versuche zum Thema bei der Ziege gemacht. Einerseits wurde untersucht, wie sich die Fütterung auf die Milchleistung und den Parasitenbefall der Tiere auswirkt. Anderseits wurden verschiedene Möglichkeiten geprüft, die Esparsette in die Fütterung zu integrieren.
Tipo: Newspaper or magazine article Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2011 URL: http://orgprints.org/20126/1/F%C3%BCtterung_von_Esparsette_bei_Ziegen_8%2D2011_d%2Bf.pdf
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In vitro efficacies of oils, silicas and plant preparations against the poultry red mite Dermanyssus gallinae Organic Eprints
Maurer, Veronika; Perler, Erika; Heckendorn, Felix.
The aim of this study was to test the effectiveness of physically acting substances (oils and silicas) and plant preparations for the control of the poultry red mite Dermanyssus gallinae (De Geer 1778). Reproduction and survival of fed D. gallinae females were evaluated in vitro for a total of 168 h using the ‘‘area under the survival curve’’ (AUC) to compare survival of the mites between treatments. Four oils (two plant oils, one petroleum spray oil and diesel), one soap, three silicas (one synthetic amorphous silica, one diatomaceous earth (DE) and one DE with 2% pyrethrum extract) and seven plant preparations (derived from Chrysanthemum cineariaefolium, Allium sativum, Tanacetum vulgare, Yucca schidigera, Quillaja saponaria, Dryopteris filix-mas, and...
Tipo: Journal paper Palavras-chave: Poultry; Health and welfare.
Ano: 2009 URL: http://orgprints.org/15721/1/Maurer_2009_Exp_Appl_Acarol.pdf
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Individual administration of three tanniferous forage plants to lambs artificially infected with Haemonchus contortus and Cooperia curticei Organic Eprints
Heckendorn, Felix; Häring, Dieter-Adrian; Maurer, Veronika; Senn, Markus; Hertzberg, Hubertus.
We investigated direct anthelmintic effects associated with the feeding of fresh tanniferous forages against established populations of Haemonchus contortus and Cooperia curticei in lambs. Twenty-four parasite naive lambs were inoculated with a single dose of infective larvae of these two parasites 27 days prior to the start of the feeding experiment. Lambs were individually fed with either chicory (Cichorium intybus), birdsfoot trefoil (Lotus corniculatus), sainfoin (Onobrychis viciifolia) or a ryegrass/ lucerne mixture (control) for 17 days. Animals where then united to one flock and subjected to control feeding for another 11 days to test the sustainability of potentially lowered egg excretion generated by tanniferous forage feeding. When compared to...
Tipo: Journal paper Palavras-chave: Health and welfare; Feeding and growth.
Ano: 2007 URL: http://orgprints.org/13009/1/abstract_Vet_Parasitol_Heckendorn.pdf
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Innere Parasiten der Rinder mit Weidemanagement nachhaltig regulieren Organic Eprints
Heckendorn, Felix; Frutschi, Véronique.
Innere Parasiten gehören zu den wichtigsten Infektionserregern weidender Rinder. Zunehmende Resistenzen gegen die Entwurmungsmittel rücken vorbeugende Massnahmen zur Regulierung in den Mittelpunkt. Das Merkblatt beschreibt nachhaltige Regulierungsstrategien die gegen die wichtigsten Weideparasiten des Rindes zur Verfügung stehen. Das Hauptaugenmerk des Merkblattes liegt auf einer parasitenminimierenden Weidestrategie gegen Magen-Darm-Strongyliden. Empfehlungen zur Regulierung des Grossen Leberegels und von Lungenwürmern runden den Ratgeber ab.
Tipo: Book Palavras-chave: Beef cattle; Health and welfare.
Ano: 2014 URL: http://orgprints.org/25225/1/1637-weideparasiten.pdf
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Internationale Projekte rund ums Schaf Organic Eprints
Maurer, Veronika; Heckendorn, Felix.
Vor kurzem hat das grosse Forschungsprojekt «LowInput-Breeds» zur europäischen «LowInput»- und Biotierhaltung begonnen. Mit diesem Artikel möchten wir zeigen, welche Arbeiten mit Schafen in diesem Projekt geplant sind und wie Forschungsgruppen aus der Schweiz im internationalen Umfeld arbeiten. Die 21 beteiligten Partner aus Europa und Übersee haben sich zum Ziel gesetzt, mit Hilfe von Management- und Zuchtstrategien die Tiergesundheit und die Lebensmittelqualität bei den wichtigsten Nutztierarten zu verbessern. Das Projekt hat ein Gesamtbudget von 9 Millionen Euro. Es läuft bis 2014 und wird vom 7. Forschungsrahmenprogramm der Europäischen Kommission mitfinanziert.
Tipo: Journal paper Palavras-chave: Breeding and genetics; Sheep and goats.
Ano: 2010 URL: http://orgprints.org/17796/1/maurer%2Dheckendorn%2D2010%2Dforum_dt.pdf
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Kondensierte Tannine – Eine Möglichkeit zur Kontrolle von Magen-Darm-Würmern? Organic Eprints
Heckendorn, Felix.
Weidende kleine Wiederkäuer infizieren sich häufig mit Magen-Darm-Würmern. Diese stellen einen wesentlichen Problemfaktor für die Tiergesundheit dar und sind daher auch von erheblicher wirtschaftlicher Bedeutung.
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2005 URL: http://orgprints.org/5024/1/Heckendorn%2D2005%2DTannine.pdf
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Kontrolle von Magen-Darm-Strongyliden bei Schafen Organic Eprints
Heckendorn, Felix; Maurer, Veronika; Hertzberg, Hubertus.
In der Schaf- und Ziegenhaltung stellt der Befall mit Magen-Darm-Strongyliden (MDS) einen wesentlichen Problemfaktor für die Tiergesundheit dar. Klinische und subklinische Erkrankungen können von erheblicher wirtschaftlicher Relevanz sein. Eine zunehmende Resistenzentwicklung gegen seit langem eingesetzte Anthelminthika hat derzeit einen intensivierten Einsatz dieser Wirkstoffe zur Folge und verschärft das Problem somit zusätzlich.
Tipo: Conference paper, poster, etc. Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2006 URL: http://orgprints.org/13078/1/heckendorn%2D2006%2Dvetmed_report.pdf
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Lammfleischqualität von extensiv gehaltenen und seltenen Schweizer Schafrassen (Engadinerschaf, Schwarznasenschaf, Spiegelschaf) im Vergleich zum Weißen Alpenschaf Organic Eprints
Probst, Johanna; Leiber, Florian; Heckendorn, Felix.
This study investigates meat quality of four autochthonous Swiss ovine breeds, White Alpine (WAS, n=15), Walliser blacknose sheep (SN, n=8), Engadine sheep (EN, n=9) and the Mirror sheep (SP, n=10). Especially for the latter two breeds, which are rare and endangered, information about meat quality and constitution is important for merchandising issues. All lambs (LW 20-25 kg) of each breed were fattened on pasture for 208 d and subsequently slaughtered. Evaluations were carried out for slaughter yield and classifications, pH-value, colorimetry (L*a*b*-System), shear force (Warner Bratzler method) and cooking losses in the Musculus longissimus dorsi. The results showed no meat quality defects in any breed. The main differences between breeds arose...
Tipo: Conference paper, poster, etc. Palavras-chave: Breeding and genetics; Feeding and growth.
Ano: 2009 URL: http://orgprints.org/14393/1/Probst_14393.pdf
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