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Registros recuperados: 336
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A comparative study of clinical manifestations, haematological and serological responses after experimental infection with Anaplasma phagocytophilum in two Norwegian sheep breeds Organic Eprints
Stuen, Snorre; Grøva, Lise; Granquist, Erik G; Sandstedt, Karin; Olesen, Ingrid; Steinshamn, Håvard.
Background: It has been questioned if the old native Norwegian sheep breed, Old Norse Sheep (also called Norwegian Feral Sheep), normally distributed on coastal areas where ticks are abundant, is more protected against tick-borne infections than other Norwegian breeds due to a continuously high selection pressure on pasture. The aim of the present study was to test this hypothesis in an experimental infection study. Methods: Five-months-old lambs of two Norwegian sheep breeds, Norwegian White (NW) sheep and Old Norse (ON) sheep, were experimentally infected with a 16S rRNA genetic variant of Anaplasma phagocytophilum (similar to GenBank accession number M73220). The experiment was repeated for two subsequent years, 2008 and 2009, with the use of 16...
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2011 URL: http://orgprints.org/19867/1/PAPER_III.pdf
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Administration of Silver Fir (Abies alba Mill.) to goats and its potential to control gastro-intestinal parasites Organic Eprints
Heckendorn, F.; Giebler-Schubert, F.; Walkenhorst, M.; Fertig, O.; Hamburger, M.; Potterat, O.; Valle-Zárate, A..
Gastrointestinal nematodes (GIN) substantially impact on goat health. Because of the widespread development of GIN, resistant to allopathic drugs, further research into alternative parasite control methods is required [1]. Silver fir, Abies alba MILL (SF), is traditionally used by Swiss farmers in order to control GIN infections of goats but also to improve animal welfare. A survey among goat farmers revealed that goat farmers use SF in winter during a period of approximately five months. The SF-ration per animal and day differ between approximately 8.2 g dry matter (DM) to 600 g DM [2]. As there is scientific evidence neither for an anthelmintic potential nor for the feed intake and milk performance of SF, we conducted a study with 30 goats. For a 20...
Tipo: Conference paper, poster, etc. Palavras-chave: Feeding and growth; Sheep and goats; Health and welfare.
Ano: 2013 URL: http://orgprints.org/23306/1/Silver_Fir_Planta_Medica_2013_79_1239.pdf
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All ull er verdifull. Kompostering av ull i talle og spørreundersøkelse om bruk av ull i Fosenregionen Organic Eprints
McKinnon, Kirsty; Lennon, Alana; Andresen, Berit Langdahl.
Ull er et næringsrikt materiale og lavverdiull (skitten, filtet og noen fraksjoner av pigmentert ull)kan ha verdi som en næringsstoffressurs i landbruket. Rapporten omhandler en kartlegging av slik ull gjennom en spørreundersøkelse blant sauebønder i Fosenregionen. Flere gårdbrukere svarte at de kaster eller brenner ullen og noen sa de ønsker seg kunnskap om alternative måter å bruke ullen på. I prosjektet ble ull undersøkt som bestanddel i talle med halm til sau. Tallen ble siden lagt opp i komposter. Etter å ha vært først i talle og deretter i kompost, var ullen på god vei til å brytes ned. Hvorvidt komposten hadde tilfredsstillende spredeegenskaper ble ikke undersøkt i dette forsøket. Forholdet mellom karbon og nitrogen (C/N-forholdet) var forholdsvis...
Tipo: Report Palavras-chave: Nutrient turnover; Sheep and goats.
Ano: 2019 URL: http://orgprints.org/34409/1/NORS%C3%98K%20RAPPORT%201%202019%20Ull%20i%20talle.pdf
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Alpha-linolenic and linoleic acid in meat and adipose tissue of grazinglambs differ among alpine pasture types with contrasting plant speciesand phenolic compound composition Organic Eprints
Willems, H.; Kreuzer, M.; Leiber, Florian.
The special quality of foods from alpine grazing systems concerning their fatty acid (FA)composition is well established. However, the contribution of different specific vegetationtypes and the animal’s genotype to this alpine effect is still unclear. In the present study,the FA profiles of muscle and adipose tissue lipids were determined in lambs that hadgrazed either an intensively managed lowland pasture or one of three characteristic alpinevegetation types differing in plant species number and composition, forage quality andamount, and composition of phenolic compounds and FA. On each vegetation type and intwo subsequent years, two groups of lambs (seven Engadine sheep, ES; and seven ValaisianBlack Nose sheep, VS) grazed for 9 weeks and were...
Tipo: Journal paper Palavras-chave: Feeding and growth; Sheep and goats.
Ano: 2014 URL: http://orgprints.org/25010/1/Willems-etal-2014-SmallRumiResearch-116-p153-164.pdf
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Alpine vegetation type affects composition of nutritionally important C18 fatty acids in tissues of lambs from different breeds Organic Eprints
Willems, H.; Kreuzer, M.; Leiber, F..
A total of 110 lambs of the breeds Engadine Sheep and Valaisian Black Nose Sheep were fattened on one lowland and three different alpine pasture types. The experiment was conducted in two consecutive years and lasted for 9 weeks of grazing in each year. Immediately afterwards, the lambs were slaughtered. Perirenal adipose tissue and the Longissimus dorsi muscle were analysed for fatty acid composition. The lambs on the lowland pasture had the lowest proportions of linoleic and α-linolenic acid in the lipid fraction of these tissues. Additionally, there was a clear differentiation in these proportions when lambs grazed different alpine vegetation types. This was related to the content of phenolic compounds rather than the fatty acid contents of the swards,...
Tipo: Conference paper, poster, etc. Palavras-chave: Feeding and growth; Sheep and goats.
Ano: 2013 URL: http://orgprints.org/25179/1/Willems-etal-2013-FAOMP.pdf
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Alternating grazing to control parasites in young cattle (Video) Organic Eprints
Alföldi, Thomas.
Within the CORE Organic project MIX-ENABLE, Steffen Werne (FiBL) and his team are testing more sustainable ways of controlling gastrointestinal nematodes in ruminants. Farmers usually control parasites by using dewormers. However, resistance against these products is increasing. One approach is mixed grazing of different livestock species. It is well known that sheep and goats can benefit from mixed grazing with cattle in terms of animal health and performance. This is because gastrointestinal parasites are usually specialized in one livestock species, and mixed grazing has thus a “diluting” effect. Conversely, little is known whether young cattle can also benefit from mixed grazing with sheep. This is what Steffen Werne and his teams want to find out...
Tipo: Video Palavras-chave: Dairy cattle; Beef cattle; Sheep and goats; Health and welfare.
Ano: 2018
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Alternative à la chimiothérapie dans la maîtrise du parasitisme digestif des petits ruminants: Rôle des tanins condensés Organic Eprints
Recent results have shown that tanniferous plants might represent an alternative option to chemical drugs to control parasitic nematodes of the gastrointestinal tract in small ruminants since some anthelmintic activity has been associated with the consumption of the plants. The 2 main objectives of the project are : 1 to understand the mechanisms explaining the activity of tannin rich plants against nematode parasites of sheep and goats 2 to identify novel natural resources to exploit for non chemical control of parasite in various farming systems, including organic farming. In particular, the project focus on potential industrial agroressources In vitro and in vivo assays on parasites and on infected animals to measure the...
Tipo: Project description Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2020
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Alternative forage crops for finishing lambs Organic Eprints
McLean, Barbara.
Alternative forage crops offer a number of benefits for farmers including a cheap finishing system for lambs, benefits for soil condition, fertility building for rotations and providing a cover crop. Certain forages have also been demonstrated to have some anthelmintic benefits for lambs. A demonstration study was undertaken to investigate the potential of six crops used in the horticulture industry (fertility building crops) as forage crops for weaned growing lambs. The crops include white mustard, Nemat (form of Rocket), Crimson Clover, Sweet Clover , Caliente 119 and Caliente 99 (Cruciferae). The grazing field was split into three blocks and two crops were sown in solid strips in each block. Each block also had grass headlands. 10 ewe lambs were...
Tipo: Report Palavras-chave: Crop combinations and interactions; Sheep and goats; Feeding and growth.
Ano: 2007 URL: http://orgprints.org/10813/1/altcrops07.pdf
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Alternative management strategies to prevent and control endo-parasite diseases in sheep and goat farming systems - a review of the recent scientific knowledge Organic Eprints
Rahmann, Gerold; Seip, Hannah.
Infestation with gastro-intestinal nematodes (GIN) in small ruminants can cause server economic losses and endanger animal welfare. The development of organic farming systems, the increased public awareness for drug residues in agricultural products and the development of resistant strains of parasites have enforced the search for sustainable alternatives. The aim of this review is to summarise the current scientific knowledge of alternative strategies to prevent and control endo-parasitic diseases in sheep and goat farming systems. Many scientific studies and projects have shown big discrepancies between results obtained under in vitro and in vivo conditions. Often research has been carried out under clinical conditions for extended periods before...
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2007 URL: http://orgprints.org/12975/1/180_LFV%2D2007%2D2%2DArtikel%2D08%2DRahmann%2DSeip.pdf
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Alternative strategies to prevent and control endoparasite diseases in organic sheep and goat farming systems – a review of current scientific knowledge Organic Eprints
Rahmann, Gerold; Seip, Hannah.
Infestation with gastro-intestinal nematodes in small ruminants can cause server economic losses and endanger animal welfare. The development of organic farming systems, the increased public awareness for drug residues in agricultural products and the development of resistant strains of parasites have enforced the search for sustainable alternatives. The aim of this paper was to provide information about endoparasite infecting small ruminants, to give an overview of the legal background and to investigate alternative control strategies and treatments, discussing them on overall viability. The main section has been divided into a part of non-chemotherapeutical control strategies and alternative anthelmintic treatments. The conducted research has revealed...
Tipo: Conference paper, poster, etc. Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2006 URL: http://orgprints.org/10030/1/08_Rahmann_Endoparasiten_fertig.pdf
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Alternative treatments in the control of psoroptic mange in a flock of organic production sheep. Organic Eprints
Palacios, C.; Lafuente, M.A.; de la Fuente, L.F..
Abstract The aim of the experiment was to verify the efficacy of the treatment of psoroptic mange in a flock of Churra sheep farmed under organic production conditions, using alternative methods. One group, C Control (N=9), was given no treatment, a second group, TAH Antihomotoxic (N=10), was intramuscularly administered an antihomotoxic preparation every two days, thus receiving a total of seven injections over a two-week period. The third group, TCI Citronella (N=10), was topically administered a 1% solution of 50%essential Citronella Java oil and 50% Potassium Soap twice daily, in each milking, during the two-week period. A fourth group, TCIT Citronella+Thymol (N=10), was topically administered Citronella with 1% mother tincture of Thymol to boost the...
Tipo: Conference paper, poster, etc. Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2009 URL: http://orgprints.org/18614/1/Palacios_2009_Sheep.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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Animal health strategies in organic and conventional meat sheep production Organic Eprints
NICOURT, C.; BENOIT, M.; LAIGNEL, G.; CABARET, J..
Sixteen meat sheep farms (nine conventional and seven organic) in the centre of France were surveyed to evaluate their economic and production performances (previous interviews) and their strategies related to animal health with particular attention to internal parasites (present interview on health strategies). The organic farms were surveyed in mid-September 2006 and the conventional ones in October 2007. Each interview (1½ or 2 h) included a visit of the farm (with the collection of faeces for evaluation of internal parasites), followed by an open discussion on sheep production and health problems, and parasitic infections, in particular. The discussion was recorded and then transcribed into a word processor file and analysed. The farmers agreed on the...
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2009 URL: http://orgprints.org/15464/1/9%2DNicourt.pdf
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Anthelmintic effect and intake dynamics of oak (quercus spp.) and walnut (juglans regia) foliage in goats Organic Eprints
Heckendorn, F.; Lèbre, A.; Destailleur, V.; Bouy, M.; Spiegler, V.; Lehmann, S.; Hensel, A..
Oak and Walnut are both of ethnoveterinary importance, especially for anthelmintic treatment of ruminants [1,2]. H2O and EtOH-water (1:1) extracts of oak and walnut foliage were used for phytochemical profiling and for in vitro assays with Caenorhabditis elegans and gastrointestinal nematodes (GIN). Oak extracts contained mainly tannins, walnut extracts were dominated by flavonoids. Oak EtOH extract caused significant lethal effects in adult C. elegans (LC50 1.5 mg/mL); motility of GIN L3 larvae was reduced by the EtOH extract but at substantially higher concentrations. Egg hatching was inhibited by both, the oak H2O and EtOH extract. In vivo: 42 lactating Alpine goats carrying natural GIN infections were allocated to 3 feeding groups: oak, walnut and...
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2017
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Anthroposophisch veterinärmedizinische Ansätze zur Ziegengesundheit Organic Eprints
Spranger, Jörg; Walkenhorst, Michael.
Forschung an Nutztieren basiert heute weitgehend auf der geistigen Grundhaltung, in Zucht, Haltung, Fütterung und Pflege den maximalen Grad von ausschliesslich ökonomisch orientierter Gestaltung ihrer Innen- und Umwelt herauszuarbeiten. Die Limitierung dieses Vorgehens besteht nur darin, die Grenze zur offensichtlichen Schädigung der Tiere nicht zu überschreiten. Ziel ist also eine Minimierung der Erfüllung legitimer artgemässer Ansprüche unter möglichst knapper Vermeidung daraus resultierender Krankheiten, Sterilitäten, vorzeitiger Abgänge und Leistungseinbussen. Diese Gratwanderung von Symptomfreiheit an der Grenze der Belastungsfähigkeit hat man sich angewöhnt, als Gesundheit misszuverstehen. Tiermedizinische Forschung wiederum hat weitgehend nur zum...
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare; Breeding and genetics.
Ano: 2003 URL: http://orgprints.org/2763/1/no%2Ddocument%2Drft.rtf
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Antioxidant effects of ryegrass phenolics in lamb liver and plasma Organic Eprints
López-Andrés, P.; Luciano, G.; Vasta, V.; Gibson, T.M.; Scerra, M.; Biondi, L.; Priolo, A.; Mueller-Harvey, I..
Sixteen lambs were divided into two groups and fed two different diets. Eight lambs were stall-fed with a concentrate-based diet (C), and the remaining eight lambs were allowed to graze on Lolium perenne (G). The antioxidant status was measured in the liver and plasma samples before and after solid-phase extraction (SPE) to probe the antioxidant effects that grass phenolic compounds may have conferred onto the animal tissues. The liver and plasma samples from grass-fed lambs displayed a greater antioxidant capacity than the tissues from C lamb group, but only if samples had not been passed through SPE cartridges. Finally, the feed and animal tissues, which had been purified by SPE, were analysed by liquid chromatography combined with mass spectrometry...
Tipo: Journal paper Palavras-chave: Feeding and growth; Sheep and goats; Health and welfare.
Ano: 2014 URL: http://orgprints.org/24536/1/Lopez-Andres-etal-2014-Animal-8-1-p51-57.pdf
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Antiparasitic activity of chicory (Cichorium intybus) and its natural bioactive compounds in livestock: a review Organic Eprints
Peña-Espinoza, Miguel; Valente, Angela H.; Thamsborg, Stig M.; Simonsen, Henrik T.; Boas, Ulrik; Enemark, Heidi L.; López-Muñoz, Rodrigo; Williams, Andrew R..
Increasing drug resistance in gastrointestinal (GI) parasites of livestock and concerns about chemical residues in animal products and the environment are driving the development of alternative control strategies that are less reliant on the use of synthetic drugs. An increasingly investigated approach is the use of bioactive forages with antiparasitic properties as part of the animal’s diet (nutraceuticals) or as potential sources of novel, natural parasiticides. Chicory (Cichorium intybus) is a multi-purpose crop and one of the most promising bioactive forages in temperate regions, and numerous in vivo trials have explored its potential against parasitic nematodes in livestock. However, it is unclear whether chicory can induce a direct and broad activity...
Tipo: Journal paper Palavras-chave: Production systems; Dairy cattle; Beef cattle; Sheep and goats; Health and welfare; Pigs.
Ano: 2018 URL: http://orgprints.org/33736/1/Pe%C3%B1a-Espinoza%20et%20al%202018.pdf
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Arbeitszeitbedarf in der Kleinwiederkäuerhaltung Organic Eprints
Heitkämper, Katja; Mager, Kerstin; Schick, Matthias.
Obwohl die Haltung von Kleinwiederkäuern in den letzten Jahren immer mehr an Bedeutung gewonnen hat, gibt es bisher, insbesondere im Bereich der Milchgewinnung, nur wenige arbeitswirtschaftliche Kennzahlen für die Haltung von Schafen und Ziegen und deren Aufzucht. Insbesondere Schafmilch ist schon seit einiger Zeit als wichtige Alternative zu Kuhmilch bekannt. Es ist daher wichtig im Bereich der Kleinwiederkäuer Verfahrensdaten und arbeitswirtschaftliche Kennzahlen zur Verfügung stellen zu können. Das Ziel der vorgesehenen Untersuchung liegt in der Erfassung, Aufbereitung, Auswertung und Bereitstellung von arbeitswirtschaftlichen Kennzahlen sowie der Beschreibung zeitgemässer Produktionsverfahren im Bereich der Kleinwiederkäuerhaltung. Dabei werden...
Tipo: Conference paper, poster, etc. Palavras-chave: Sheep and goats.
Ano: 2011 URL: http://orgprints.org/17683/3/Heitk%C3%A4mper_17683.pdf
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Aspectos epidemiológicos da conidiobolomicose em ovinos na região semiárida do Nordeste do Brasil. Organic Eprints
Aguiar, Gildeni Maria Nascimento de; Simões, Sara Vilar Dantas; Santos, Sérgio Azevedo; Marques, Ana Luisa Alves; Silva, Tatiane Rodrigues da; Dantas, Antônio Flavio Medeiros; Correa, Franklin Riet.
Com o objetivo de determinar aspectos epidemiológicos da conidiobolomicose dos ovinos, foi realizado um estudo caso-controle em 27 propriedades (16 com casos e 11 controles) nos estados da Paraíba e do Rio Grande do Norte. Das 16 propriedades com casos, em nove (56,3%), ocorreu apenas um foco e em sete (43,8%) aconteceram dois, totalizando 23 focos no período do estudo. Em 20 focos, foi diagnosticada somente conidiobolomicose e, em três, além de casos de conidiobolomicose, ocorreram casos de pitiose rinofacial. Nos focos de conidiobolomicose, a morbidade variou de 0,7% a 73,3% e a letalidade foi de 100%. Treze focos (56,5%) aconteceram no período chuvoso (janeiro a maio), seis (26,1%) ocorreram no período seco (junho a dezembro) e, em quatro, não foi...
Tipo: Journal paper Palavras-chave: Production systems; Animal husbandry; Sheep and goats.
Ano: 2014 URL: http://orgprints.org/28990/1/Aguiar_Aspectos.pdf
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Assessing a treatment on the basis of an individual or a group. An example: the homeopathic treatment of digestive-tract strongyles in sheep Organic Eprints
TABEL, J.; SAUVE, C.; CORTET, J.; TOURNADRE, H.; THOMAS, Y.; CABARET, J..
Homeopathic treatments, widely used in organic farming, remain unevaluated. Assessment is difficult since the individuals that respond to treatment are not identified, although it is central to the concept of homeopathic treatment. Classifying lambs into those to be treated (since they have high parasitic infection rate or poor production performances) or that should remain untreated (in other words, even when treated, they will not benefit from treatment) is not simple. The identification of lambs to be treated can be based on parasitological examinations (eggs per gram of faeces), clinical (anaemia or diarrhoea)or production-related (weight gain) results. The classification of lambs was a posteriori and based on dendrograms using UPGMA (unweighted...
Tipo: Journal paper Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2009 URL: http://orgprints.org/15465/1/10%2DTabel.pdf
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