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Registros recuperados: 38
Primeira ... 12 ... Última
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Animal health and nutrition in organic farming Organic Eprints
Vaarst, Mette; Weisbjerg, Martin Riis; Kristensen, Troels; Thamsborg, Stig Milan; White, Andrew; Roderick, Stephen; Lockeretz, Willie.
Animals are important in organic farming systems, both as a part of the concept and in practice, where there is great weight on forming an integrated system with harmony between the land, the animals and the people, involving local recirculation of feed and manure. Good animal health and welfare is an important goal for organic husbandry. In contrast to crops, animals are not just parts of the farming system, they are also sentient creatures and as such they deserve special moral consideration. They are individuals that need to be cared for, they can suffer, and they can interact with each other and with the humans and environment around them. Animal management is, therefore, very different from crop management. Humans have a moral obligation to treat...
Tipo: Book chapter Palavras-chave: Health and welfare.
Ano: 2006 URL: http://orgprints.org/13735/1/13735.pdf
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Antagonistic effect of chitin-degrading microfungi on thick-shelled pig helminth eggs Organic Eprints
Katakam, KIran Kumar; Thapa, Sundar; Meyling, Nicholai V.; Dalsgaard, Anders; Roepstorff, Allan; Thamsborg, Stig Milan.
The rising demand for pigs produced in organic farming systems, which require access to outdoor areas and associated increased risk of gastrointestinal nematode infections, is creating growing interest in alternative control strategies. Also development of anthelminthic resistance due to extensive use of anthelmintics is a concern in intensive pig production. Use of chitin-degrading microfungi is one of the options. Extensive research has been conducted on biological control of plant pathogenic nematodes using such fungi, and some fungal species are commercially available for plant protection. In contrast, there are only limited laboratory studies conducted on eggs from nematodes which are animal parasites. The aim of present study is to investigate the...
Tipo: Conference paper, poster, etc. Palavras-chave: Health and welfare; Pigs.
Ano: 2011 URL: http://orgprints.org/20007/3/20007.pdf
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Anthelmintic effects of forage chicory (Cichorium intybus) against gastrointestinal nematode parasites in experimentally infected cattle Organic Eprints
Peña-Espinoza, Miguel; Thamsborg, Stig Milan; Desrues, Olivier; Hansen, T. V. A.; Enemark, Heidi L..
Two experiments studied the effects of dietary chicory against gastrointestinal nematodes in cattle. In Experiment (Exp.) 1, stabled calves were fed chicory silage (CHI1; n = 9) or ryegrass/clover hay (CTL1; n = 6) with balanced protein/energy intakes between groups. After 16 days, all calves received 10 000 Ostertagia ostertagi and 66 000 Cooperia oncophora third-stage larvae (L3) [day (D) 0 post-infection (p.i.)]. In Exp. 2, calves were assigned to pure chicory (CHI2; n=10) or ryegrass/clover (CTL2; n = 10) pastures. After 7 days, animals received 20 000 O. ostertagi L3/calf (D0 p.i.) and were moved regularly preventing pasture-borne infections. Due to poor regrowth of the chicory pasture, CHI2 was supplemented with chicory silage. At D40 p.i. (Exp. 1)...
Tipo: Journal paper Palavras-chave: "Organics" in general; Farming Systems; Health and welfare.
Ano: 2016 URL: http://orgprints.org/30116/1/Pe%C3%B1a-Espinoza%20et%20al%202016_Parasitology.pdf
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Anvendelse af veterinære lægemidler Organic Eprints
Bennedsgaard, Torben Werner; Thamsborg, Stig Milan; Vaarst, Mette.
Anvendelse af veterinære lægemidler i konventionel malkekvægsbrug og forventninger ved omlægning Langt hovedparten af forbruget af antibiotika i kvægbruget udgøres af smalspektrede penicilliner, der hovedsagelig benyttes ved behandling af mastitis. Landskontoret for Kvæg har skønnet, at der tilnærmelsesvist er sket en fordobling i forbruget af penicilliner fra 3500 kg aktivt stof i 1989 til 6789kg aktivt stof i 1995. Denne stigning falder sammen med indførelsen af EU-krav om maksimale tankcelletal fra 1992. Dette medførte en øget behandling af yverlidelser (Ministeriet for Fødevarer, Landbrug og Fiskeri, 1997, Skioldebrand et al., 1994). Denne stigning kan være sket såvel ved behandling af flere dyr som ved øget antal behandlinger af den enkelte...
Tipo: Report chapter Palavras-chave: Health and welfare.
Ano: 2000 URL: http://orgprints.org/13754/1/13754.pdf
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Cryptosporidium and Giardia in organic pig farms: a longitudinal study of seasonal- and age-related variation in species, genotypes and excretion levels Organic Eprints
Petersen, Heidi Huus; Jianmin, Wang; Katakam, Kiran Kumar; Mejer, Helena; Ståhl, Marie; Dalsgaard, Anders; Olsen, Annette; Thamsborg, Stig Milan; Enemark, Heidi.
Although pigs are commonly infected with Cryptosporidium and Giardia duodenalis, and thus potential reservoirs of zoonotic species (or genotypes), little is known about age-related infection levels, seasonal differences and genetic variation in naturally infected pigs. Thus, to characterise seasonal and age-related variation in prevalence and intensity of infections at farm level, (oo)cyst shedding was monitored at quarterly intervals (September 2011 to June 2012) in piglets (n=152), young pigs (n=234), finishers (n=230) and sows (n=240) from three organic, Danish farms. (Oo)cysts were quantified by immunofluorescence microscopy; and representative Cryptosporidium (n=75) and Giardia (n=67) positive subsamples were characterized by amplification and partial...
Tipo: Journal paper Palavras-chave: Health and welfare.
Ano: 2014 URL: http://orgprints.org/27342/7/27342.pdf
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Development and survival of Ascaris suum eggs in deep litter of pigs Organic Eprints
Katakam, Kiran Kumar; Thamsborg, Stig Milan; Kyvsgaard, Niels Christian; Dalsgaard, Anders; Mejer, Helena.
Indoor transmission of Ascaris suum partly depends on the physico-chemical conditions in bedding material. Temperature,pH, aqueous ammonia, moisture, occurrence and development of A. suum eggs were therefore compared in different areas(resting, intermediate and latrine) of two deep litter pens on an organic farm in four seasons. There was some variation, but mean ammonia levels were generally very low (1·0–2·6mM) and pH levels were moderate (8·04–8·88) in all three areas. Relatively, resting areas were characterized by overall moderate moisture (36%) and moderately high temperature (35·7 °C)levels. The area contained few eggs (50 eggs g−1 DM) of which 17% were viable, and though only 4% were larvated and 0·7% appeared infective, it was more than in the...
Tipo: Journal paper Palavras-chave: Health and welfare.
Ano: 2014 URL: http://orgprints.org/27345/7/27345.pdf
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Effects of including chicory in perennial ryegrass-white clover leys on production and health in organic lambs Organic Eprints
Nielsen, Bea; Thamsborg, Stig Milan; Hansen, Hanne; Ranvig, Hans; Høgh-Jensen, Henning.
Two trials were conducted to examine the effect of chicory included in or as additional plots of the ryegrass–white clover pastures on growth, naturally acquired nematode infections and selectivity of chicory by lambs. In Experiment 1, 31 weaned Texel lambs (36±7 kg) grazed either ryegrass–white clover (CTRL) or ryegrass–white clover–hicory pastures (CHIC). In Experiment 2, 30 weaned Shropshire lambs (32±7 kg) grazed either ryegrass–white clover (CTRL) or ryegrass–white clover with access to small additional chicory plots, which corresponded to 3% (CHIC-LO) or 6% of the total grazing area (CHIC-HI). No consistent differences in live weight gain and nematode faecal egg counts were observed in lambs grazing the different pasture types. Sward height on the...
Tipo: Journal paper Palavras-chave: Feeding and growth.
Ano: 2009 URL: http://orgprints.org/18302/1/Nielsen_2009_Livestock-Science.pdf
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Eleven years with organic dairy production in Denmark – herd health and production related to time of conversion and compared to conventional production Organic Eprints
Bennedsgaard, Torben Werner; Thamsborg, Stig Milan; Vaarst, Mette; Enevoldsen, Carsten.
This paper focuses on the changes in production, herd health and veterinary treatments in Danish organic dairy herds during approximately eleven years based on historic data from herds converted to organic milk production before 1990 (old organic herds) compared to herds converted in 1995 and 1999-2000 and herds that are still conventional. Herd size, milk production, the shape of the lactation curve, somatic cell counts and veterinary treatments for mastitis, retained placenta and ketosis are compared over time and between herd groups. The old organic herds differed from the other three herd groups by having lower milk production per cow, lower somatic cell counts and fewer treatments of mastitis. Herds converted in 1995 and 1999-2000 were comparable to...
Tipo: Journal paper Palavras-chave: Dairy cattle.
Ano: 2003 URL: http://orgprints.org/4681/1/4681.pdf
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Evaluation of soil microfungi as biological control agents against ascarid eggs Organic Eprints
Sundar, Thapa; Meyling, Nicolai V.; Katakam, Kiran Kumar; Thamsborg, Stig Milan; Mejer, Helena.
Thick-shelled ascarid eggs have been reported to remain infective in the environment for several years, thus posing a prolonged risk of infection to animals and/or humans. The following in vitro study was therefore conducted to evaluate the negative impact of two species of naturally occuring soil microfungi (Pochonia chlamydosporia and Paecilomyces lilacinus), on the viability of Ascaridia galli, Toxocara canis and Ascaris suum eggs. Approximately 150 fresh eggs of individual ascarid species were embryonated on a 2% water agar in Petri dishes with or without a fungus (P. chlamydospria or P. lilacinus). On days 7, 14, 21, 28, 35 and 42 post experimental set up (p.s.), the viability of the eggs in each experimental group was evaluated (destructive...
Tipo: Conference paper, poster, etc. Palavras-chave: Health and welfare.
Ano: 2013 URL: http://orgprints.org/27371/7/27371.pdf
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Evaluation of soil microfungi as biological control agents against eggs of animal parasitic nematodes Organic Eprints
Thapa, Sundar; Meyling, Nicolai V.; Katakam, Kiran Kumar; Thamsborg, Stig Milan; Mejer, Helena.
Thick-shelled eggs of ascarid nematodes have been reported to remain infective in the environment for several years, thus posing a prolonged risk of infection to animal livestock and/or humans. An in vitro study was therefore conducted to evaluate the negative impact of two species of soil microfungi, Pochonia chlamydosporia and Purpureocillium lilacinum (syn. Paecilomyces lilacinus), on the viability of Ascaridia galli, Toxocara canis and Ascaris suum eggs. Approximately 150 fresh eggs of individual ascarid species were embryonated on a 2% water agar in Petri dishes with or without a fungus (P. chlamydospria or P. lilacinum). On days 7, 14, 21, 28, 35 and 42 post experimental set up (p.s.), the viability of the eggs from each experimental group was...
Tipo: Conference paper, poster, etc. Palavras-chave: Health and welfare.
Ano: 2013 URL: http://orgprints.org/27372/7/27372.pdf
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Farm-level risk factors for Fasciola hepatica infection in Danish dairy cattle Organic Eprints
Takeuchi-Storm, Nao; Denwood, Matt; Hansen, Tina; Halasa, Tariq; Rattenborg, Erik; Boes, Jaap; Enemark, Heidi Larsen; Thamsborg, Stig Milan.
Recent studies suggest that liver fluke (Fasciola hepatica) infections in cattle have increased in Denmark in recent years. This study aimed to identify potential farm level risk factors for liver fluke infection in Danish dairy farms using two different diagnostic methods. Based on liver condemnation data of all individual cattle slaughtered in Denmark, 145 and 77 farms were selected as cases and matched controls. The selection criteria were; 1) minimum 50 animals were slaughtered in 2013, 2) minimum three cases of liver condemnation due to liver flukes in 2013 (case) / no history of liver condemnation due to liver flukes for the last three years (control), and 3) control farms were located within 10 km from the case farms. Bulk tank milk (BTM) samples...
Tipo: Conference paper, poster, etc. Palavras-chave: Dairy cattle; Health and welfare.
Ano: 2015 URL: http://orgprints.org/33991/1/waavp_poster_nao.pdf
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Future European market for organic products from ruminants Organic Eprints
Kristensen, Erik Steen; Thamsborg, Stig Milan.
The market for organic food is increasing in most Europe countries and it is expected to increase in the future. The present market share of organic food in European countries is however quite low (0-4%). The market shares are very different between countries. The highest market shares (3-4%) appear in Austria, Switzerland and Denmark. Market shares below 1% are seen in many other European countries. The market shares are also very different from product to product. Drinking milk/milk for consumption shows some of the highest market shares. Market shares for meat from ruminants and processed milk (i.e. cheese) are often considerable lower than for drinking milk/milking for consumption. The main barriers for increased organic sales can be identified...
Tipo: Book chapter Palavras-chave: Markets and trade.
Ano: 2002 URL: http://orgprints.org/510/1/Future_European_market_for_organic_products.doc
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Helminth parasites in pigs: challenges and current research highlights Organic Eprints
Roepstorff, Allan; Mejer, Helena; Nejsum, Peter; Thamsborg, Stig Milan.
Helminths in pigs have generally received little attention from veterinary parasitologists, despite Ascaris suum, Trichuris suis, and Oesophagostomum sp. being common worldwide. The present paper presents challenges and current research highlights connected with these parasites. In Danish swine herds, new indoor production systems may favour helminth transmission and growing knowledge on pasture survival and infectivity of A. suum and T. suis eggs indicates that they may constitute a serious threat to outdoor pig production. Furthermore, it is now evident that A. suum is zoonotic and the same may be true for T. suis. With these ‘new’ challenges and the economic impact of the infections, further research is warranted. Better understanding of...
Tipo: Conference paper, poster, etc. Palavras-chave: Production systems; Health and welfare; Pigs.
Ano: 2011 URL: http://orgprints.org/20238/3/20238.pdf
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Helminth parasites in pigs: New challenges in pig production and current research highlights Organic Eprints
Roepstorff, Allan; Mejer, Helena; Nejsum, Peter; Thamsborg, Stig Milan.
Helminths in pigs have generally received little attention from veterinary parasitologists, despite Ascaris suum, Trichuris suis, and Oesophagostomum sp. being common worldwide. The present paper presents challenges and current research highlights connected with these parasites. In Danish swine herds, new indoor production systems may favour helminth transmission and growing knowledge on pasture survival and infectivity of A. suum and T. suis eggs indicates that they may constitute a serious threat to outdoor pig production. Furthermore, it is now evident that A. suum is zoonotic and the same may be true for T. suis. With these ‘new’ challenges and the economic impact of the infections, further research is warranted. Better understanding of host–parasite...
Tipo: Journal paper Palavras-chave: Health and welfare; Pigs.
Ano: 2011 URL: http://orgprints.org/20008/4/20008.pdf
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In vitro anthelmintic effects of bark extracts from Picea abies and Pinus sylvestris against sheep nematodes Organic Eprints
Blomstrand, Berit Marie; Ptochos, Sokratis; Enemark, Heidi; Thamsborg, Stig Milan; Aasen, Inga Marie; Steinshamn, Håvard; Athanasiadou, Spiridoula.
Gastrointestinal nematodes (GIN) in sheep are a common cause of reduced animal welfare and performance, and thus, high economical losses. The emerging drug resistance in GIN prompts for new methods in combating infections. Several studies have indicated an anti-parasitic effect of tannin-rich plants when included in the diet. The objective of this study was to assess the potential in vitro anthelmintic efficacy of tannin-rich extracts from bark of common Norwegian trees (spruce and pine) against GIN of sheep.
Tipo: Conference paper, poster, etc. Palavras-chave: Sheep and goats; Health and welfare.
Ano: 2018 URL: http://orgprints.org/35025/1/Poster%20COMBAR%20Sept%202018.pdf
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KONTROL AF SPOLORM I ØKOLOGISKE SVIN. Resultater fra PAROL projektet: Parasitter i økologiske produktionsdyr: innovative løsninger til nye udfordringer Organic Eprints
Mejer, Helena; Serup, Tove; Katakam, Kiran Kumar; Gautam, Susmita; Thamsborg, Stig Milan.
Spolorm er meget almindelige i danske økologiske svin og kan reducere tilvækst, foderudnyttelse og effekt af vacciner hos smittede grise samt være årsag til kassering/værditab af levere. Spolorm smitter via hårdføre æg og projektet har kortlagt smittemønstre i 5 besætninger og undersøgt hvor smittepresset er størst og hvordan vi bedst kan spredningen i danske økologiske (og frilands-) besætninger.
Tipo: Other Palavras-chave: Health and welfare.
Ano: 2014 URL: http://orgprints.org/27390/7/27390.pdf
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LEVERIKTER OG KVÆG PÅ FUGTIGE AREALER - fokus på management i økologiske besætninger Organic Eprints
Takeuchi-Storm, Nao; Denwood, Matt; Enemark, Heidi L.; Thamsborg, Stig Milan.
This is a poster presented at Organic Congress in 2015 in Denmark. The poster describes the two studies related to liver fluke infection in Danish cattle.
Tipo: Conference paper, poster, etc. Palavras-chave: Dairy cattle.
Ano: 2015 URL: http://orgprints.org/33989/1/%C3%98kologi%20kongres_v.2.pptx
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LEVERIKTER OG KVÆG PÅ FUGTIGE AREALER - fokus på management i økologiske besætninger Organic Eprints
Takeuchi-Storm, Nao; Denwood, Matt; Enemark, Heidi L.; Thamsborg, Stig Milan.
This is a poster presented at Organic Congress in 2015 in Denmark. The poster describes the two studies related to liver fluke infection in Danish cattle.
Tipo: Conference paper, poster, etc. Palavras-chave: Dairy cattle.
Ano: 2015 URL: http://orgprints.org/32067/1/%C3%98kologi%20kongres_v.2.pptx
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Long-term survival and infectivity of porcine helminths on paddocks in relation to ploughing Organic Eprints
Mejer, Helena; Thamsborg, Stig Milan; Roepstorff, Allan.
The effect of ploughing on long-term survival and infectivity of the free-living stages of Ascaris suum, Trichuris suis and Oesophagostomum dentatum on pastures were followed in a 14-year study.
Tipo: Journal paper Palavras-chave: Health and welfare.
Ano: 2014 URL: http://orgprints.org/27389/7/27389.pdf
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Når økologisk forskning viser vej Organic Eprints
Thamsborg, Stig Milan.
Klummen opridser kort hvilke overordnede tiltag, der findes i forbindelse med kontrol af parasitter, når man vil undgå medicinsk behandling.
Tipo: Newspaper or magazine article Palavras-chave: Dairy cattle; Beef cattle; Sheep and goats; Health and welfare; Pigs.
Ano: 2011 URL: http://orgprints.org/20009/1/Thamsborg_okologi_og_erhverv_nov_2011.pdf
Registros recuperados: 38
Primeira ... 12 ... Última
 

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