{"id":1394,"date":"2023-02-03T08:00:35","date_gmt":"2023-02-03T07:00:35","guid":{"rendered":"https:\/\/www.rumexperts.vet\/?post_type=training&p=1394"},"modified":"2024-03-18T18:29:00","modified_gmt":"2024-03-18T17:29:00","slug":"public-la-seropositivite-dun-taureau-a-neospora-caninum-nen-altere-pas-la-fertilite","status":"publish","type":"training","link":"https:\/\/www.rumexperts.vet\/en\/training\/public-la-seropositivite-dun-taureau-a-neospora-caninum-nen-altere-pas-la-fertilite","title":{"rendered":"LA SEROPOSITIVITE D\u2019UN TAUREAU A NEOSPORA CANINUM N\u2019EN ALTERE PAS LA FERTILITE"},"content":{"rendered":"

REFERENCE\u00a0: Kemel C et al. Unaffected semen quality parameters in Neospora caninum seropositive Belgian Blue bulls.\u00a0 Theriogenology 191 (2022) 10-15.\u00a0 https:\/\/doi.org\/10.1016\/j.theriogenology.2022.07.013<\/a><\/p>\n

Neospora caninum, un protozoaire est responsable d\u2019avortements, de n\u00e9omortalit\u00e9, d\u2019anomalies cong\u00e9nitales et d\u2019infertilit\u00e9. Les voies orales et placentaires en sont les principales voies de transmission. En Belgique, respectivement\u00a0 62.5 % des troupeaux et 10.2 % des individus sont consid\u00e9r\u00e9s comme \u00e9tant s\u00e9ropositifs. Il est le principal agent responsable d\u2019avortements. Mais qu\u2019en est-il des taureaux ?<\/p>\n

MATERIEL ET METHODES<\/span><\/h4>\n

92 taureaux d\u2019un centre d\u2019ins\u00e9mination, \u00e2g\u00e9s de 15 \u00e0 116 mois ont durant un an fait l\u2019objet d\u2019un suivi s\u00e9rologique (recherche des anticorps par ELISA tous les deux mois) et spermatique (double pr\u00e9l\u00e8vement\u00a0 hebdomadaire et examen de 10.478 \u00e9jaculats frais et de 7.685\u00a0 \u00e9jaculats congel\u00e9s).<\/p>\n

LEURS OBSERVATIONS<\/span><\/h4>\n

Respectivement 9.1 et 90.9 % % des taureaux se sont r\u00e9v\u00e9l\u00e9s \u00eatre s\u00e9ropositifs et s\u00e9ron\u00e9gatifs durant 6 pr\u00e9l\u00e8vements de sang cons\u00e9cutifs. Leur \u00e2ge moyen a \u00e9t\u00e9 respectivement de 56 et 53 mois.<\/p>\n

La seropositivit\u00e9 d\u2019un animal ne s\u2019accompagne d\u2019aucune alt\u00e9ration des param\u00e8tres du spermogramme (volume, concentration, mobilit\u00e9 massale, mobilit\u00e9 progressive, formes anormales).<\/p>\n<\/div>

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