Immunocompetence in organically fed finishing pigs: effect of corn cob mix

Sam Millet, E Cox, M Van Paemel, K Raes, M Lobeau, S De Saeger, S De Smet, B M Goddeeris, G P J Janssens

    Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikelpeer review

    Uittreksel

    Two consecutive experiments were performed to evaluate the effects on the immune response of corn cob mix (CCM) in an organic pig diet. The immunoglobulin (Ig) M, IgA and IgG responses against an intramuscularly injected model antigen, bovine thyroglobulin, were used as indicator. The experiments were performed in an organic barn with nine pens of four crossbred pigs (two barrows and two sows) from 45 kg to slaughter. In the first experiment, the organic concentrate was mixed with organic CCM-silage to obtain three concentrate: CCM ratios of 100:0, 80:20 and 60:40 (w:w). In the second experiment, three concentrates were produced to obtain diets with equal nutrient levels on a dry matter basis after 0%, 20% and 40% CCM inclusion. Higher inclusion rates of CCM in the ration were accompanied by lower thyroglobulin-specific IgG responses. These effects could not be attributed to one specific component of the CCM, such as fatty acid composition, although there was a degree of correlation with lower vitamin A concentrations. Mycotoxin concentrations were absent or minimal. The study indicated that dietary ingredient composition may affect immunocompetence.
    Oorspronkelijke taalEngels
    TijdschriftVeterinary Journal (London, England : 1997)
    Volume171
    Exemplaarnummer2
    Pagina's (van-tot)301-307
    Aantal pagina’s7
    DOI's
    PublicatiestatusGepubliceerd - 2006

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