Light and Electron Microscopy of Cells in Pig Colostrum, Milk and Involution Secretion
作者:
C.S. Lee,
I. McCauley,
P.E. Hartman,
期刊:
Cells Tissues Organs
(Karger Available online 1983)
卷期:
Volume 117,
issue 3
页码: 270-280
ISSN:1422-6405
年代: 1983
DOI:10.1159/000145798
出版商: S. Karger AG
关键词: Milk cells;Leucocytes;Pig;Electron microscopy
数据来源: Karger
摘要:
Cells in pig colostrum, milk and involution secretion were identified using light and electron microscopy. Cell types identified were neutrophils, macrophages, epithelial cells, eosinophils and lymphocytes. The neutrophils predominated in colostrum and involution secretion, whereas in milk it was the epithelial cell. Macrophages and lymphocytes were present throughout lactation and so too were eosinophils which were always present in lower concentrations. Both neutrophils and macrophages were seen with phagocytic vacuoles containing either lipid, casein or cellular debris. The possible roles played by the phagocytic and lymphoid cells in the protection of the mammary gland of the sow and the gut of the neonate from pathogenic microorganisms is discussed.
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