[Experiences with the FAMACHA-Eye-Colour-Chart for identifying sheep and goats for targeted anthelmintic treatment]Regine Koopmann
Institut für okologischen Landbau der Bundesforschungsanstalt für Landwirtschaft
Berl Munch Tierarztl Wochenschr 119:436-42
The bloodsuckling abomasal parasite Haemonchus contortus is the most pathogenic worm in sheep and goats. High prevalences of anthelmintic-resistant isolates make H. contortus difficult to control...
The FAMACHA system for managing haemonchosis in sheep and goats by clinically identifying individual animals for treatmentJan A van Wyk
Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, South Africa
Vet Res 33:509-29
..Trials over several seasons showed that most sheep under severe Haemonchus contortus challenge required no, or only one treatment over a full summer season...
Evolution of high-level, multiple anthelmintic resistance on a sheep farm in MalaysiaP Chandrawathani
Veterinary Research Institute, 59 Jalan Sultan Azlan Shah, 31400 Ipoh, Malaysia
Trop Anim Health Prod 35:17-25
..By far the most important parasite problem was Haemonchus contortus...
The effects of ivermectin and moxidectin on egg viability and larval development of ivermectin-resistant Haemonchus contortusK L Tyrrell
CSIRO Livestock Industries, Locked Bag 1, Armidale NSW, Australia
Vet Parasitol 107:85-93
The in vivo effects of ivermectin and moxidectin on egg viability and larval development of ivermectin-resistant Haemonchus contortus were examined over time after anthelmintic treatment of sheep...
Characterization of moxidectin resistant Trichostrongylus colubriformis and Haemonchus contortusL F Le Jambre
CSIRO Livestock Industries, Locked Bag 1, Armidale, NSW 2350, Australia
Vet Parasitol 128:83-90
..The anthelmintic resistance patterns of MOX-R strains of Trichostrongylus colubriformis and Haemonchus contortus were characterized to provide an insight into the remaining role of anthelmintics in the control of ..
Ovicidal and larvicidal activity of Melia azedarach extracts on Haemonchus contortusM V Maciel
College of Veterinary Medicine, Ceará State University, Av. Paranjana 1700, Campus do Itaperi, CEP 60740-000, Fortaleza, Cear, Brazil
Vet Parasitol 140:98-104
b>Haemonchus contortus is responsible for severe economic losses in sheep and goat breeding in the Northeast of Brazil. However, the effectiveness of control is compromised due to anthelmintic resistance and misuse...
Multiple anthelmintic resistance in Haemonchus contortus isolated from South African Boer goats in SwitzerlandM Schnyder
Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, CH-8057 Zurich, Switzerland
Vet Parasitol 128:285-90
..Benzimidazole and ivermectin resistance were found in Haemonchus contortus with an efficacy of 55 and 61%, respectively...
Segregation of natural and experimental gastrointestinal nematode infection in F2 progeny of susceptible Suffolk and resistant Gulf Coast Native sheep and its usefulness in assessment of genetic variationJ E Miller
Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
Vet Parasitol 140:83-9
..Productivity has been compromised because such nematodes, particularly Haemonchus contortus, have developed resistance to available anthelmintics...
Haemonchus contortus: in vitro and in vivo anthelmintic activity of aqueous and hydro-alcoholic extracts of Hedera helixT Eguale
Ethiopian Institute of Agricultural Research, National Animal Health Research Center, P O Box 04, Sebeta, Ethiopia
Exp Parasitol 116:340-5
..of crude extracts of the ripe fruits of Hedera helix was investigated on eggs and adult nematode parasites Haemonchus contortus. Aqueous extract of H. helix was also evaluated for in vivo anthelmintic activity at dose of 1...
A survey on anthelmintic resistance in nematode parasites of sheep in Lusaka, ZambiaS Gabrie
Department of Clinical Studies, School of Veterinary Medicine, University of Zambia, Lusaka
Onderstepoort J Vet Res 68:271-4
..Larval identification showed that Haemonchus was almost the only genus recovered from the faecal cultures before and after treatment...
Effect of sericea lespedeza (Lespedeza cuneata) fed as hay, on natural and experimental Haemonchus contortus infections in lambsK C Lange
Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
Vet Parasitol 141:273-8
..to evaluate the effect of the CT containing forage, Lespedeza cuneata (sericea lespedeza, SL) fed as hay, on Haemonchus contortus infection in sheep...
Detection of anthelmintic resistance: a comparison of mathematical techniquesP R Torgerson
Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, CH 8057 Zurich, Switzerland
Vet Parasitol 128:291-8
....
Efficacy of albendazole and levamisole against gastrointestinal nematodes of sheep and goats in Morogoro, TanzaniaJ D Keyyu
Department of Veterinary Microbiology and Parasitology, Faculty of Veterinary Medicine, Sokoine University of Agriculture, PO Box 3019, Morogoro, Tanzania
Trop Anim Health Prod 34:115-20
..A reduced efficacy of levamisole was suspected...
Anthelmintic activity of Azadirachta indica A. Juss against sheep gastrointestinal nematodesC T C Costa
Faculdade de Veterinária, Universidade Estadual do Cear, Av. Parajana 1700, 60740-000 Fortaleza, Cear, Brazil
Vet Parasitol 137:306-10
..None of the evaluated parameters of the treatment groups were statistically different when compared to the control group, demonstrating that, with the protocol used, A. indica has no anthelmintic effect...
In vitro and in vivo anthelmintic activity of crude extracts of Coriandrum sativum against Haemonchus contortusT Eguale
Ethiopian Institute of Agricultural Research, National Animal Health Research Center, P O Box 04, Sebeta, Ethiopia
J Ethnopharmacol 110:428-33
..extracts of the seeds of Coriandrum sativum (Apiaceae) were investigated on the egg and adult nematode parasite Haemonchus contortus...
Direct and indirect anthelmintic effects of condensed tannins in sheepZafar Iqbal
Chemotherapy Laboratory, Department of Veterinary Parasitology, University of Agriculture, Faisalabad 38040, Pakistan
Vet Parasitol 144:125-31
..In vitro tests included egg hatch test and paralysis/mortality assay on adult Haemonchus contortus. In vivo anthelmintic effect was determined by faecal egg count reduction test in lambs...
Duration of anthelmintic effect of three formulations of ivermectin (oral, injectable and pour-on) against multiple anthelmintic-resistant haemonchus contortus in sheepR Garg
Department of Veterinary Parasitology, College of Veterinary and Animal Sciences, G B P U A and T, Pantnagar 263145, Uttaranchal, India
Vet Res Commun 31:749-55
..The study revealed that Haemonchus contortus in sheep had developed resistance to benzimidazoles (fenbendazole, mebendazole and albendazole), ..
Evaluation of anthelmintic properties of some plants used as livestock dewormers against Haemonchus contortus infections in sheepJ B Githiori
International Livestock Research Institute, Nairobi, Kenya
Parasitology 129:245-53
..Thus 3 commercial anthelmintics and 7 plant preparations were tested in lambs infected with 5000 or 3000 L3 Haemonchus contortus in 4 experiments...
Validation of the FAMACHA eye color chart for detecting clinical anemia in sheep and goats on farms in the southern United StatesR M Kaplan
Department of Medical Microbiology and Parasitology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
Vet Parasitol 123:105-20
..studies on sheep and goat farms in the southern United States indicate that multiple-anthelmintic resistance in Haemonchus contortus is becoming a severe problem...
Epidemiology of parasitic gastrointestinal nematode infections of ruminants on smallholder farms in central KenyaJ M Nginyi
National Veterinary Research Centre, Muguga, KARI, Kikuyu, PO Box 32, Kenya
Res Vet Sci 70:33-9
..There were significant differences in egg counts over time and among farms. Haemonchus contortus was the most prevalent nematode in the tracer lambs whereas the previously exposed locally grazed ..
Accuracy of the FAMACHA system for on-farm use by sheep and goat producers in the southeastern United StatesJ M Burke
Dale Bumpers Small Farms Research Center, USDA, ARS, Booneville, AR 72927, USA
Vet Parasitol 147:89-95
..a practical on-farm system designed to provide small ruminant producers a tool for improving their management of Haemonchus contortus infections...
Haemonchus contortus and Trichostrongylus colubriformis in pen-trials with Javanese thin tail sheep and Kacang cross Etawah goatsD B Copeman
Research Institute for Veterinary Science, Jl RE Martadinata No 30, Bogor 16114, Indonesia
Vet Parasitol 135:315-23
..5%, respectively, for Trichostrongylus colubriformis and 48.7 and 32.2%, respectively, for Haemonchus contortus. The extent of bodyweight cost attributed to anorexia in sheep infected with H...
Phenotypic characterization of Haemonchus contortus: a study of isolates from Sweden and Kenya in experimentally infected sheepK Troell
Department of Parasitology (SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
Parasitology 132:403-9
The effects of cold storage of infective third-stage larvae (L3) of different isolates of the parasitic nematode Haemonchus contortus were studied with respect to infectivity, pre-patent period and propensity for larval arrestment...
High-level ivermectin resistance in a field isolate of Haemonchus contortus associated with a low level of resistance in the larval stage: implications for resistance detectionAndrew C Kotze
CSIRO Livestock Industries, McMaster Laboratory, Locked Bag 1 Delivery Centre, Blacktown 2148, NSW, Australia
Vet Parasitol 108:255-63
The IVPro isolate of Haemonchus contortus was isolated in 1999 after significant numbers of the parasite survived an ivermectin capsule treatment of grazing sheep acquiring a natural infection at Prospect, NSW, Australia...
[Use of FAMACHA Scoring System as a diagnostic aid for the registration of distinguishing marks in the breeding program for lambs exposed to an experimental Haemonchus contortus infection]M Gauly
Institut für Tierzucht und Haustiergenetik der Georg August Universität Göttingen
Dtsch Tierarztl Wochenschr 111:430-3
..values, faecal egg counts, plasma albumin level and worm burden following an experimental infection with Haemonchus contortus in lambs. The estimated correlations have been low...
Targeted selective treatment for worm management--how do we sell rational programs to farmers?J A van Wyk
Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, South Africa
Vet Parasitol 139:336-46
..of milk yields has proven an effective indicator in dairy goats infected predominantly with nematodes other than Haemonchus contortus...
Development and survival of Haemonchus contortus infective larvae derived from sheep faeces under sub-tropical conditions in the Potohar region of PakistanFarhana Riaz Chaudary
Department of Zoology, University of Arid Agriculture, Rawalpindi, Pakistan
Trop Anim Health Prod 40:85-92
Assessment on the development and survival of Haemonchus contortus larvae was made to evaluate the influence of microclimatic variables viz., relative humidity (%), temperature (degreesC), rainfall (mm) and intensity of sunlight (hrs)...
In vivo effects of Fagara leaves on sheep infected with gastrointestinal nematodesF E Zinsou
Faculty des Sciences Agronomiques, Université d'Abomey-Calavi, Cotonou République du Benin
Trop Anim Health Prod 37:205-14
Infections of the gastrointestinal tract with parasitic nematodes, and particularly Haemonchus contortus, represent one of the main pathological constraints on the breeding of small ruminants in tropical countries...
Relationship of abomasal histology and parasite-specific immunoglobulin A with the resistance to Haemonchus contortus infection in three breeds of sheepA F T Amarante
Departamento de Parasitologia, Instituto de Biociências, Universidade Estadual Paulista, Caixa Postal 510, IB UNESP, Botucatu SP, CEP 18618 000, Brazil
Vet Parasitol 128:99-107
..of abomasal inflammatory cells and parasite-specific immunoglobulin A (IgA) in mucus, with the resistance to Haemonchus contortus infection in three breeds of sheep naturally infected with gastrointestinal nematodes...
Vaccination against the nematode Haemonchus contortus with a thiol-binding fraction from the excretory/secretory products (ES)N Bakker
Division of Parasitology and Tropical Veterinary Medicine, Department of Infectious Diseases and Immunology, Utrecht University, PO Box 80165, 3508 TD Utrecht, The Netherlands
Vaccine 22:618-28
Fractionated excretory/secretory products (ES) of adult Haemonchus contortus were evaluated as protective antigens...
Effect of sainfoin (Onobrychis viciifolia) silage and hay on established populations of Haemonchus contortus and Cooperia curticei in lambsFelix Heckendorn
Department of Veterinary Parasitology, Research Institute of Organic Agriculture, Ackerstrasse, CH 5070 Frick, Switzerland
Vet Parasitol 142:293-300
..was 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...
Effect of copper oxide wire particles dosage and feed supplement level on Haemonchus contortus infection in lambsJ M Burke
Dale Bumpers Small Farms Research Center, USDA, ARS, Booneville, AR 72927, USA
Vet Parasitol 123:235-43
..the experiment was to determine the optimal dose of copper oxide wire particles (COWPs) to reduce infection of Haemonchus contortus in male lambs...
Further protection studies using recombinant forms of Haemonchus contortus cysteine proteinasesD L Redmond
Moredun Research Institute, International Research Centre, Pentlands Science Park, Penicuik, Midlothian, UK
Parasite Immunol 28:213-9
Significant levels of protection against Haemonchus contortus have been achieved in sheep by vaccination with a cysteine proteinase-enriched fraction (TSBP) isolated from the gut of adult parasites...
Evaluation of multiple low doses of copper oxide wire particles compared with levamisole for control of Haemonchus contortus in lambsJ M Burke
Dale Bumpers Small Farms Research Center, USDA, ARS, Booneville, AR 72927, USA
Vet Parasitol 139:145-9
..A pooled fecal culture determined that Haemonchus contortus was the predominant gastrointestinal parasite at weaning...
Reduced efficacy of ivermectin, abamectin and moxidectin against field isolates of Haemonchus contortusM J Wooster
Veterinary Health Research Pty Ltd, West Armidale, New South Wales
Aust Vet J 79:840-2
..To investigate the reduced efficacy of ivermectin, abamectin and moxidectin against two field isolates of Haemonchus contortus. These isolates were identified on separate properties in the New England region of New South Wales...
Moxidectin-resistant Haemonchus contortus in sheep in northern New South WalesS C J Love
NSW Agriculture, PO Box 991, Armidale, New South Wales 2350
Aust Vet J 81:359-60
Regulation of the resistance to nematode parasites of single- and twin-bearing Merino ewes through nutrition and genetic selectionL P Kahn
School of Rural Science and Agriculture, University of New England, Armidale 2351, NSW, Australia
Vet Parasitol 114:15-31
Periparturient Merino ewes obtained from lines of sheep that had been selected either for increased resistance to Haemonchus contortus (R) or at random (C) were supplemented, while grazing at pasture, with either nil or 250 g/day ..
The influence of parasitism on the pharmacokinetics of moxidectin in lambsAnne Lespine
Laboratoire de Pharmacologie Toxicologie, INRA Toulouse, BP 3, 31931, Toulouse Cedex 9 France
Parasitol Res 93:121-6
..Thus, parasite infection dramatically influences the disposition of moxidectin in lambs. These results may contribute to determining a therapeutic strategy adapted to heavily infested animals...
A novel approach for combining the use of in vitro and in vivo data to measure and detect emerging moxidectin resistance in gastrointestinal nematodes of goatsR M Kaplan
Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
Int J Parasitol 37:795-804
..The larval development assay (LDA) is routinely used to diagnose ivermectin resistance in Haemonchus contortus but laboratory diagnosis of moxidectin resistance is hampered by the lack of any validated in vitro ..
Metalloendopeptidases from the intestinal brush border of Haemonchus contortus as protective antigens for sheepW D Smith
Moredun Research Institute, Penicuik, Midlothian, EH26 OPZ UK
Parasite Immunol 25:313-23
Substantial protection against the economically important nematode Haemonchus contortus has been achieved by immunizing sheep with a glycoprotein fraction isolated from the intestinal membranes of this parasite...
Immune response to Haemonchus contortus infection in susceptible (INRA 401) and resistant (Barbados Black Belly) breeds of lambsG Terefe
Addis Ababa University, Faculty of Veterinary Medicine, Debre Zeit, Ethiopia
Parasite Immunol 29:415-24
The immune responses to Haemonchus contortus were compared in studies in resistant Barbados Black Belly (BBB) and susceptible INRA 401 (INRA) breeds of lambs. The cytokine patterns indicated a Th2-biased response in both breeds...
Anthelmintic activity of Chenopodium album (L) and Caesalpinia crista (L) against trichostrongylid nematodes of sheepAbdul Jabbar
Chemotherapy Laboratory, Department of Veterinary Parasitology, University of Agriculture, Faisalabad 38040, Pakistan
J Ethnopharmacol 114:86-91
..anthelmintic activity of crude aqueous methanolic extract (AME) of both the plants was determined using mature Haemonchus contortus and their eggs in adult motility assay and egg hatch test, respectively...
A modified larval migration assay for detection of resistance to macrocyclic lactones in Haemonchus contortus, and drug screening with Trichostrongylidae parasitesA C Kotze
CSIRO Livestock Industries, Queensland Bioscience Precinct, 306 Carmody Road, St Lucia, QLD 4067, Australia
Vet Parasitol 137:294-305
..system in 96-well plate format which is able to detect resistance to the macrocyclic lactone group of drugs in Haemonchus contortus...
Performance and nematode infection of ewe lambs on intensive rotational grazing with two different cultivars of Panicum maximumR L D Costa
Apta RegionalExtremo Oeste, Andradina, SP, Brazil
Trop Anim Health Prod 39:255-63
..05) and the highest PCV (p < 0.05), confirming their higher resistance to Haemonchus contortus, the prevalent nematode in the rainy season...
Trichostrongylus colubriformis and Haemonchus contortus infections in light bodyweight Merino lambsS J McClure
FD McMaster Laboratory, CSIRO Livestock Industries, Locked Bag 1, Delivery Centre, Armidale NSW 2350, Australia
Aust Vet J 85:437-45
OBJECTIVE; To show that low bodyweight is a predisposing cause of high Trichostrongylus colubriformis and Haemonchus contortus burdens and egg counts in Merino lambs...
Haemonchus contortus egg excretion and female length reduction in sheep previously infected with Oestrus ovis (Diptera: Oestridae) larvaeG Terefe
Addis Ababa University, Faculty of Veterinary Medicine, Debre Zeit, P.O. Box 34, Ethiopia
Vet Parasitol 128:271-83
..Our experimental study was started with the objectives to demonstrate the interaction of Haemonchus contortus and Oestrus ovis in relation to cellular and humoral immune responses in sheep...
Influence of sex on the resistance of sheep lambs to an experimental Haemonchus contortus infectionM Gauly
Institute of Animal Breeding and Genetics, University of Göttingen, Germany
Dtsch Tierarztl Wochenschr 113:178-81
..n = 42 Rhön) aged 12 weeks were orally infected with 5000 infective-stage larvae, L3, of the nematode Haemonchus contortus...
Efficacy of the nematode-trapping fungus Duddingtonia flagrans against infections by Haemonchus and Trichostrongylus species in lambs at pastureR A Rocha
UNESP, São Paulo State University, Instituto de Biociências, Departamento de Parasitologia, Caixa Postal 510, CEP 18618 000, Botucatu, SP, Brazil
J Helminthol 81:387-92
..05). Feeding sheep with pellets containing D. flagrans had no benefit to the prophylaxis of nematode infections under the experimental conditions used in the present study...
Attempts to detect synergy between vaccination and anthelmintic against a drug resistant isolate of Haemonchus contortusW D Smith
Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, Scotland EH26 0PZ, UK
Vet Parasitol 148:356-9
..could be detected between an experimental vaccine and anthelmintic treatment against a drug resistant strain of Haemonchus contortus, i.e. would the combined effect of both interventions be greater than the sum of either alone...
Haemonchus spp. in sheep farmed under resource-poor conditions in South Africa--effect on haematocrit, conjunctival mucous membrane colour and body conditionA F Vatta
Onderstepoort Veterinary Institute, Private Bag X05, Onderstepoort 0110, South Africa
J S Afr Vet Assoc 73:119-23
..scored for level of anaemia using the FAMACHA method, an assay for the clinical evaluation of anaemia caused by Haemonchus spp...
The anthelmintic efficacy of the plant, Albizia anthelmintica, against the nematode parasites Haemonchus contortus of sheep and Heligmosomoides polygyrus of miceJohn B Githiori
International Livestock Research Institute ILRI, P O Box 30709, Nairobi, Kenya
Vet Parasitol 116:23-34
..methods of preparation, were tested at different doses in sheep and mice infected with the nematode parasites Haemonchus contortus and Heligmosomoides polygyrus, respectively. Lambs were infected with 3000 infective larvae of H...
Consequences of the unusually warm and dry summer of 2003 in The Netherlands: poor development of free living stages, normal survival of infective larvae and long survival of adult gastrointestinal nematodes of sheepM Eysker
Division of Parasitology and Tropical Veterinary Medicine, Utrecht University, P O 80, 165, 3508 TD Utrecht, The Netherlands
Vet Parasitol 133:313-21
..Moreover, tracer lambs grazing in September on some of these plots still acquired large Haemonchus contortus burdens. Over 60% of H...
Protection induced by vaccinating sheep with a thiol-binding extract of Haemonchus contortus membranes is associated with its protease componentsD P Knox
Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, Midlothian, UK
Parasite Immunol 27:121-6
Previous work has shown that a protein extract enriched for cysteine protease activity (TSBP) prepared from adult Haemonchus contortus using thiol sepharose affinity chromatography confers substantial protection against a single challenge ..
Field studies on the biological control of nematode parasites of sheep in the tropics, using the microfungus Duddingtonia flagransP Chandrawathani
Veterinary Research Institute, 59 Jalan Sultan Azlan Shah, 31400 Ipoh, Malaysia
Vet Parasitol 120:177-87
..As a consequence, only very low worm infections (almost exclusively Haemonchus contortus) were acquired by the 17 sets of tracer lambs that grazed sequentially with the experimental lambs...
Towards the eradication of Haemonchus contortus from sheep flocks in SwedenP J Waller
Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, Uppsala, Sweden
Vet Parasitol 136:367-72
Previous studies have shown that between-year transmission of Haemonchus contortus in Swedish sheep flocks is almost entirely as over-wintered populations within housed animals, and not on pasture...
Immunization against ovine haemonchosis with three low molecular weight somatic antigens of adult Haemonchus contortusJ M Alunda
Dpto. PatologÃa Animal I (Sanidad Animal, Facultad de Veterinaria, Universidad Complutense de Madrid (UCM, Spain
J Vet Med B Infect Dis Vet Public Health 50:70-4
Individual bands (15) from electroblotted soluble extracts of adult Haemonchus contortus were excised and three peptides of molecular weight ca. 56 (F4), 39 (F8) and 18.5 kDa (F14) used to vaccinate 4-4...
The epidemiology of abomasal nematodes of sheep in Sweden, with particular reference to over-winter survival strategiesP J Waller
Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, SE 751 89 Uppsala
Vet Parasitol 122:207-20
..farms in southern Sweden, which had previously reported problems with nematode parasitism, especially due to Haemonchus contortus. One farm was used for intensive investigation...
