Ostertagia ostertagi antibodies in milk samples: Relationships with herd management and milk production parameters in two Mediterranean production systems of Spain

S. Almería, C. Adelantado, J. Charlier, E. Claerebout, A. Bach

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Abstract

The present study analyzed Ostertagia ostertagi antibodies by indirect ELISA in milk samples in two cattle systems in Mediterranean Spain to indirectly monitor gastrointestinal nematode (GI) parasitism effects on production. Individual samples from 10 animals and the corresponding milk herd samples were collected from 133 herds in Girona (intensive management) and 123 herds in Minorca (extensive management). Both locations showed high and significant positive relationships between average optical density ratios (ODR) of individual animals and ODR in their milk tank. Although antibodies levels were low, there were significantly higher in Minorca. Negative correlations between ODR values and milk production were found in both systems. Importantly, in Minorca, average herd milk production was higher in the herds that treated their animals against GI nematodes compared to those that did not treat. The ELISA technique was valuable to indirectly assess differences in the level of GI nematode infection even in cattle production systems with low levels of infection. © 2009 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)416-420
JournalResearch in Veterinary Science
Volume87
DOIs
Publication statusPublished - 1 Dec 2009

Keywords

  • Mediterranean areas
  • Milk ELISA
  • Ostertagia ostertagi
  • Spain

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