questionsmedicales.fr
Maladies de l'animal
Maladies des ovins
Visna
Visna : Questions médicales fréquentes
Diagnostic
5
Tests diagnostiques
Visna
Diagnostic différentiel
Visna
Symptômes
5
Troubles neurologiques
Visna
Variabilité des symptômes
Visna
Prévention
5
Contrôle des troupeaux
Visna
Traitements
5
Médicaments antiviraux
Visna
Complications
5
Complications à long terme
Visna
Fréquence des complications
Visna
Gestion des complications
Visna
Facteurs de risque
5
Conditions environnementales
Visna
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{
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"name": "Quels tests sont utilisés pour le Visna ?",
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"name": "Les symptômes aident-ils au diagnostic ?",
"position": 4,
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"name": "Quels sont les symptômes du Visna ?",
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"@type": "Question",
"name": "Le Visna cause-t-il des symptômes neurologiques ?",
"position": 7,
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"@type": "Answer",
"text": "Oui, des symptômes comme des tremblements et des troubles de la coordination sont fréquents."
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"name": "Y a-t-il des signes cliniques visibles ?",
"position": 9,
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"@type": "Question",
"name": "Les symptômes sont-ils toujours présents ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, certains animaux peuvent être asymptomatiques malgré l'infection."
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"@type": "Question",
"name": "Comment prévenir le Visna ?",
"position": 11,
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"@type": "Question",
"name": "Le contrôle des troupeaux aide-t-il ?",
"position": 12,
"acceptedAnswer": {
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"text": "Oui, le contrôle régulier des troupeaux permet de détecter et d'isoler les animaux infectés."
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{
"@type": "Question",
"name": "Les tests réguliers sont-ils nécessaires ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des tests réguliers aident à identifier les animaux porteurs du virus."
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"@type": "Question",
"name": "L'hygiène joue-t-elle un rôle ?",
"position": 14,
"acceptedAnswer": {
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}
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{
"@type": "Question",
"name": "Les animaux sains peuvent-ils être infectés ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les animaux sains peuvent être porteurs asymptomatiques et transmettre le virus."
}
},
{
"@type": "Question",
"name": "Quel est le traitement du Visna ?",
"position": 16,
"acceptedAnswer": {
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"text": "Il n'existe pas de traitement spécifique; la gestion des symptômes est essentielle."
}
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{
"@type": "Question",
"name": "Peut-on guérir le Visna ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, il n'y a pas de cure; le traitement vise à améliorer la qualité de vie."
}
},
{
"@type": "Question",
"name": "Des médicaments sont-ils efficaces ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certains médicaments antiviraux peuvent aider à gérer les symptômes, mais pas à guérir."
}
},
{
"@type": "Question",
"name": "Comment gérer les symptômes ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion inclut des soins de soutien, une bonne nutrition et un environnement calme."
}
},
{
"@type": "Question",
"name": "Les traitements préventifs existent-ils ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, il n'existe pas de vaccin ou de traitement préventif pour le Visna."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications du Visna ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des infections secondaires et des troubles neurologiques graves."
}
},
{
"@type": "Question",
"name": "Le Visna peut-il entraîner la mort ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, dans certains cas, le Visna peut entraîner la mort de l'animal infecté."
}
},
{
"@type": "Question",
"name": "Y a-t-il des complications à long terme ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des complications neurologiques peuvent persister même après la phase aiguë."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles fréquentes ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications varient, mais elles sont relativement fréquentes chez les animaux infectés."
}
},
{
"@type": "Question",
"name": "Comment gérer les complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion des complications nécessite des soins vétérinaires appropriés et un suivi régulier."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque du Visna ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, le stress, et la densité de population dans les troupeaux."
}
},
{
"@type": "Question",
"name": "Le stress augmente-t-il le risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress peut affaiblir le système immunitaire et augmenter le risque d'infection."
}
},
{
"@type": "Question",
"name": "Les moutons de race spécifique sont-ils plus à risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines races peuvent être plus susceptibles, mais cela dépend de divers facteurs environnementaux."
}
},
{
"@type": "Question",
"name": "La surpopulation est-elle un facteur ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la surpopulation dans les enclos favorise la transmission du virus."
}
},
{
"@type": "Question",
"name": "Les conditions environnementales influencent-elles le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des conditions insalubres peuvent augmenter le risque d'infection par le Visna."
}
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Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 08/08/2026
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
3 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
3 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China. liushuying1968@imau.edu.cn.
Publications dans "Visna" :
3 publications dans cette catégorie
Affiliations :
Institute for Experimental Pathology, University of Iceland, Keldur, Reykjavik 112, Iceland.
Publications dans "Visna" :
3 publications dans cette catégorie
Affiliations :
Siirt University Faculty of Veterinary Medicine, Department of Genetics, Siirt, Türkiye.
Publications dans "Visna" :
3 publications dans cette catégorie
Affiliations :
Ege University Faculty of Science Department of Biology Molecular Biology Section, İzmir, Türkiye; Ege University Vaccine Development Application and Research Center, İzmir, Türkiye.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Anatomy and Physiology of Farm Animals, Department of Animal Science, Agricultural University of Athens (AUA), Iera Odos 75 str., 11855 Athens, Greece.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Anatomy and Physiology of Farm Animals, Department of Animal Science, Agricultural University of Athens (AUA), Iera Odos 75 str., 11855 Athens, Greece.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Anatomy and Physiology of Farm Animals, Department of Animal Science, Agricultural University of Athens (AUA), Iera Odos 75 str., 11855 Athens, Greece.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Ege University Faculty of Science Department of Biology Molecular Biology Section, İzmir, Türkiye.
Publications dans "Visna" :
2 publications dans cette catégorie
Affiliations :
Ege University Faculty of Science Department of Biology Molecular Biology Section, İzmir, Türkiye; Ege University Vaccine Development Application and Research Center, İzmir, Türkiye. Electronic address: huseyin.can@ege.edu.tr.
Publications dans "Visna" :
Considering the changes in moral principles, human behavior and behavioral values through the ages, in Egill Skallagrimsson's Saga, Egill presents us with altered mental status. This is in terms of wh...
Maedi-visna (MV) is a small ruminant lentiviral (SRLV) disease affecting sheep and goats, and causes pathological alterations in various organs including lungs, pulmonary lymph nodes, mammary glands, ...
Total of 657 samples were collected from sheep and goats (169 blood, 136 lungs, 96 pulmonary lymph nodes, 74 brain, 54 mammary gland, 78 joints, and 50 spleen) and screened for MVV nucleic acid using ...
Out of 657 samples, 10.7% (70) were found positive for MVV. Among different organs, lungs showed highest positivity (25.7%) followed by mammary glands (14.8%), blood (9.5%), joint tissues (7.7%), brai...
The highest positivity of MVV in lung tissues indicated higher predilection of the virus in the pulmonary tissue....
Maedi-Visna (MV) is a progressive lymphoproliferative viral disease that affects multiple organs of small ruminants, including sheep and goats. The disease occurs primarily in the lung tissue and caus...
The aim of present study was to investigate the prevalence of ovine MV infection in Iranian sheep population through macroscopic, histopathological, serological, and molecular assays, as well as trans...
Lung and blood samples of one-hundred female sheep (≤ 2 years old) referred to the Kermanshah slaughterhouse with respiratory symptoms were collected for histopathological and molecular evaluations. C...
Histopathological study showed the Maedi-like pulmonary lesions in 85% of the affected lungs, which included the interstitial pneumonia, smooth muscle hypertrophy of alveolar septa and around the bloo...
Although histopathology can provide a preliminary estimation of Maedi in populations, definitive diagnosis of the disease needs to be approved by more sensitive techniques such as serological examinat...
Ovine pulmonary adenomatosis (OPA) and maedi-visna disease (MVD) are chronic and progressive infectious diseases in sheep caused by Jaagsiekte sheep retrovirus (JSRV) and maedi-visna virus (MVV), resp...
To investigate the pathological changes and conduct viral gene analysis of OPA and MVD co-occurrence in Inner Mongolia, China....
Using gross pathology, histopathology, immunohistochemistry, ultrastructural pathology, PCR, and sequence analysis, we investigated the concurrent infection of JSRV and MVV in 319 Dorper rams slaughte...
Of the 319 rams included, 3 showed concurrent JSRV and MVV infection. Gross lung pathology showed diffuse enlargement, consolidation, and greyish-white miliary nodules on the lung surface; the trachea...
Our study confirmed that OPA and MVD co-occurrence and identified the pathological changes in Inner Mongolia, China, thereby providing references for the identification of concurrent JSRV and MVV infe...
The Maedi-visna virus (MVV) causes a persistent infection in small ruminants, and its high genetic heterogeneity affects the performance of diagnostic tests when used in different populations. Therefo...
Ovine pulmonary adenocarcinoma (OPA) is an important viral-induced neoplasia in sheep caused by exogenous Jaagsiekte sheep retrovirus (exJSRV). Coinfection of exJSRV and Maedi-Visna virus (MVV) is rep...
Maedi Visna Virus (MVV) is a retrovirus that can infect sheep. There is still no effective therapy or vaccine against this virus and timely diagnosis is important to combat the complications of the di...
The objective of this study is to prospectively evaluate the seroepidemiology of maedi-visna (MV) infections in intensively reared dairy sheep. A total of 407 purebred Chios and Lacaune ewes from four...
Visna/Maedi virus (VMV) is a neglected pathogen that damages sheep and goats' nervous and respiratory systems. The virus was discovered 80 years ago and has been endemic in China for nearly four decad...
Maedi-visna (MV) is a disease caused by small ruminant lentiviruses. It is included in the list of notifiable terrestrial animal diseases due to economic losses and animal welfare harm in the sheep se...