Maternally derived antibodies (MDAs) are nature's gift to newborns from all species. This is especially true forpiglets, as they are born without specific protection against infective organisms. This protection is provided by immunity obtained from their mother's milk.Ruben Del Pozo, technical manager at MSD Animal Health, said: "This immunity is comprised of both large molecules, known as antibodies (AB), and white blood cells primed to trigger cellular immunity in the piglet. It is called 'passive immunity' as it is given to the piglet and will disappear within typically three to six weeks.
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机译：母体衍生的抗体（MDAs）是自然的所有物种新生儿的礼物。 这尤其如此真实的forpiglet，因为它们诞生而没有针对感染生物的特定保护。 这种保护是由母乳的免疫力提供.Ruben del Pozo，MSD动物健康技术经理，表示：“这种免疫由两种大分子组成，称为抗体（AB），并且喷射触发细胞的白细胞 仔猪中的免疫力。它被称为“被动免疫”，因为它被给予仔猪，通常在通常三到六周内消失。
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