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  • Title: Influence of colostrum treated by heat on immunity function in goat kids.
    Author: Fernández A, Ramos JJ, Loste A, Ferrer LM, Figueras L, Verde MT, Marca MC.
    Journal: Comp Immunol Microbiol Infect Dis; 2006 Nov; 29(5-6):353-64. PubMed ID: 17030384.
    Abstract:
    The aim was to evaluate the influence of goat colostrum treated by heat on immune function in kids. Thirteen newborn kids were fed untreated colostrum (group A) and 13 kids were fed colostrum treated by heat (56 degrees C, 30 min) (group B). Blood samples were obtained at eight time points between the ages of 0 h to 28 days. Serum protein fractions, IgG levels and phagocytic activity of neutrophils were determined. A delayed type hypersensitivity (DTH) test was used, clinical status and body weight was recorded. There were no clinical signs of disease and no differences (P>0.05) on body weight between groups were noted. Kids from group B had less total protein levels and gamma-globulins than kids from group A (P<0.05). A decrease in serum IgG levels (P<0.05) was observed in kids from group B during all experiment. DTH response in kids from group B was lower (P<0.01) than group A, suggesting alteration on cellular immune system. No effects on phagocytic activity of the neutrophils were observed when both groups were compared (P>0.05). These results showed that colostrum treated by heat impaired some immunological parameters in kids, but these changes did not affect on clinical status or performance.
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