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Serological survey for leptospiral antibodies in goats in St Elizabeth Parish, Jamaica, 1985–1986

Enquete Nationale Sur Les Cas Cliniques Et Subcliniques De Mammites Sur Les Troupeaux Laitiers Jamaicains (1985–1986)

Encuesta Nacional De Mastitis Clinica Y Subclinica En Hatos Lecheros En Jamaica, 1985–1986

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Summary

A serological survey of goats in St Elizabeth Parish, Jamaica, comprising the breeding herd at the Agricultural Development Corporation (ADC) facility at Hounslow, five commercial herds and 21 family herds was carried out in 1985–1986. TheLeptospira microscopic agglutination test indicated that one or more serovars in the Canicola serogroup were the most prevalent. Repeated samplings of goats at ADC, Hounslow demonstrated an increase inportlandvere andcanicola seropositive animals following the onset of warmer weather and oficterohaemorrhagiae seropositive animals following the autumn rains and cooler weather. Apart from a cluster of family goats seropositive topomona there was no geographical separation of reactors to the other serovars tested in the parish.

Résumé

Entre avril 1985 et août 1986, 89 troupeaux laitiers jamaïcains de 10 vaches et plus, ont fait l'object d'une enquête. 1645 vaches en lactation ont été contrôlées à l'aide du test californien pour le dépistage de la mammite (CMT) et 254 prélèvements de lait de mélange ont été récoltés pour un examen bactériologique. Des erreurs fréquentes de conduite du troupeau ont été notées particulièrement dans l'emploi des machines à traire et dans leur entretien ainsi que dans l'abus des antibiotiques. 56 p. 100 des quartiers avaient un résultat égal ou supérieur à 1 ou plus au test californien (CMT), 0,8 p. 100 étaient atteints d'une mammite clinique et 3,2 p. 100 étaient “secs”. Le germe pathogène le plus fréquent,Staphylococcus aureus a été trouvé chez 31 p. 100 des vaches examinées. On estime a 20 p. 100 du potentiel national de production la perte de lait résultant de ces mammites cliniques et subcliniques.

Resumen

Se visitaron 89 hatos lecheros con 10 o más vacas en Jamaica, entre abril 1985 y agosto 1986. Se examinaron un total ede 1645 vacas lactantes, por medio de la prueba California para mastitis, colectando a la vez 254 muestras compuestas de leche, para exámenes bacteriológicos. Se detectaron un sinnúmero de fallas en el manejo, especialmente relacionados con el uso y mantenimiento de las máquinas de ordeño, y con el abuso de antibióticos. Cincuenta y seis por ciento de todos los cuartos tenían puntajés de CMT de 1 o más altos, 0,8% tenían mastitis clínica y 3,2% estaban ciegos. El patógeno más común fue elStaphylococcus aureus, el cual se recuperó de 31% de las vacas examinadas. La pérdida de leche resultante de mastitis clínica o subclínica, se calculó en un 20% de la producción nacional potencial.

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Authors and Affiliations

  1. Veterinary Division, Ministry of Agriculture, Santa Cruz, St Elizabeth, Jamaica

    P. M. Johnachan

  2. MacDonough Diagnostic Laboratory, Ministry of Agriculture, Hope Gardens, Jamaica

    G. Grant

  3. Department of Epidemiology and Community Health, School of Veterinary Medicine, Louisiana State University, 70803, Baton Rouge, LA, USA

    M. E. Hugh-Jones

Authors
  1. P. M. Johnachan
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  2. G. S. Smith
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  3. G. Grant
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  4. M. E. Hugh-Jones
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Johnachan, P.M., Smith, G.S., Grant, G. et al. Serological survey for leptospiral antibodies in goats in St Elizabeth Parish, Jamaica, 1985–1986. Trop Anim Health Prod 22, 171–177 (1990). https://doi.org/10.1007/BF02241013

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  • DOI: https://doi.org/10.1007/BF02241013

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