. 2021 May 3;16(5):e0249366. doi: 10.1371/journal.pone.0249366

Table 2. Percentages of cells (T lymphocyte, B lymphocyte, and monocyte subsets) in colostrum from gilts and sows.

Immune Cells (%)	Dam Category
Immune Cells (%)	Gilt	Sow	P—value
*B cells (CD79a*⁺)
SWC7⁺IGM⁺	18.93±1.085	25.63±4.022	0.1274
SWC7⁺CD45RA⁺	1.856±0.547	2.846±0.470	0.1866
SWC7⁺CD5⁺	5.219±1.251^a	10.72±1.535^b	0.0209
SWC7⁺CD5^-	23.18±1.103	26.33±0.963	0.0581
*T cells*
CD3⁺	32.36±1.820	32.53±1.884	0.9500
CD4⁺	9.354±2.277	11.81±2.117	0.1866
CD27⁺CD45RA^-	8.380±1.215^a	18.31±3.110^b	0.0089
CD27⁺CD4RA⁺	2.95±0.761^a	6.25±1.274^b	0.0408
CD27^-CD45RA^-	21.53±2.360^a	32.16±3.331^b	0.0089
CD8⁺	47.205±1.536	47.880±1.266	0.7366
CD27⁺CD45RA^-	10.09±1.706^a	18.33±2.348^b	0.0156
CD27⁺CD45RA⁺	3.84±1.077	7.42±2.050	0.1418
CD3⁺CD4⁺CD8⁺	14.96±1.591^a	22.10±1.97^b	0.0243
*Myeloid cells*
Macrophages⁺	7.062±1.589	11.06±2.408	0.2092
Macrophages⁺CD16⁺	27.60±1.286	25.90±1.945	0.4996
Macrophages⁺CD14⁺CD16⁺	10.88±1.695^a	16.76±1.888^b	0.0380
*NK cells*
CD3^-CD8^lowCD335⁺	13.20±1.098	16.31±1.735	0.1732

The analysis was performed with the Kruskal-Wallis tests with Dunn’s multiple comparison post-test.

^{a, b} Different superscript letters indicate significant statistical difference between groups (p ≤ 0.05).

Cell populations in colostrum: conventional B cells: SWC7⁺CD5^– and SWC7⁺CD5⁺; naive B cells: SWC7⁺IgM⁺; mature B cells: SWC7⁺CD45RA⁺; naive CD4⁺ T cells: CD4⁺CD27⁺CD45RA⁺; central memory CD4⁺T cells: CD4⁺CD27⁺CD45RA^-; effector memory CD4⁺T cells: CD4⁺CD27^-CD45RA^-; naive CD8⁺ T cells: CD8⁺CD27⁺CD45RA⁺; central memory CD8⁺T cells: CD8⁺CD27⁺CD45RA^-; NK cells: CD3^-CD8^lowCD335⁺.