Índices de falha de transferência de imunidade passiva (FTIP) em bezerros holandeses e nelores, às 24 e 48 horas de vida: Valores de proteína total, de gamaglobulina, de imunoglobulina G e da atividade sérica de gamaglutamiltransferase, para o diagnóstico de FTIP

Translated title of the contribution: Index of failure of passive transfer (FPT) in Holstein and Nelore calves at 24 and 48 hours of life: Suggestion of total protein, gamma globulin, immunoglobulin G and gamma glutamyl transferase serum activity values for diagnosis of FPT

Francisco L.F. Feitosa, Diogo G. Camargo, Rodrigo Yanaka, Luiz C.N. Mendes, Juliana R. Peiró, Fernanda Bovino, Júlio A.N. Lisboa, Sílvia H.V. Perri, Everton R.F. Gasparelli

Research output: Contribution to journalArticlepeer-review

Abstract

In an attempt to determine the passive immunity failure in Holstein and Nelore calves, 413 blood samples were drawn from animals from both breeds. Calves born from pluriparous cows, from both breeds, and Holstein calves had greater serum concentrations of total protein, gamma globulin and IgG than Nelore newborns. However, the passive immune failure index was higher in Holstein calves than those found in Nelore calves at 24 and 48 hours. Some values of serum components were established to predict the passive immunity failure in dependency of environmental antigenic challenge.

Translated title of the contributionIndex of failure of passive transfer (FPT) in Holstein and Nelore calves at 24 and 48 hours of life: Suggestion of total protein, gamma globulin, immunoglobulin G and gamma glutamyl transferase serum activity values for diagnosis of FPT
Original languagePortuguese
Pages (from-to)696-704
Number of pages9
JournalPesquisa Veterinaria Brasileira
Volume30
Issue number8
DOIs
StatePublished - Aug 2010
Externally publishedYes

Keywords

  • Calf
  • IgG
  • Passive immunity

ASJC Scopus subject areas

  • General Veterinary

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