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The way by which immunoglobulins and other components of passive immunity are transmitted to the fetuses and newborns is determined by the structure of the placenta. Because of the epitheliochorial nature of the porcine placenta the maternal immunity is transferred to piglets only with colostrum and milk. In fact, without colostrum piglets are immunologically defenseless. Along with the mammary secretion...
In the era of the excessive use of chemotherapeutics, especially antibiotics and an increase of bacterial strains resistance, studies concerning the stimulation of the immune system and evaluation of its activity seem to be particularly important. This article presents a review of the methods useful in the evaluation of cellular immunity. The evaluation of specific cell-mediated immunity may be performed...
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