泌乳奶牛乳头管（乳头）通透性与吞噬能力之间的关系。
Relationship between penetrability of the papillary duct (teat) and phagocytic capability in lactating dairy cows.
作者信息
Lefcourt A M, Paape M J, Dulin A, Schultze W D
出版信息
Am J Vet Res. 1983 Feb;44(2):304-5.
To determine whether there is a reciprocal relationship between penetrability of the papillary duct of the teat (streak canal) and phagocytic capability, 3 cows with highly penetrable papillary ducts and 3 with ducts highly resistant against penetration were identified, using a penetrability assay. Leukocytes harvested from milk from these cows were tested for their capability to phagocytose Staphylococcus aureus. Phagocytic capability was found to be independent of the ability of microorganisms to gain access to the interior of the mammary gland.
为了确定乳头管（乳管）的通透性与吞噬能力之间是否存在相互关系，通过通透性测定法，挑选出3头乳头管通透性高的奶牛和3头乳头管抗穿透性强的奶牛。对从这些奶牛的乳汁中采集的白细胞进行了吞噬金黄色葡萄球菌能力的测试。结果发现，吞噬能力与微生物进入乳腺内部的能力无关。
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