1[1]Hogan J S,Pankey J w,Duthie A H.Growth inhibition of mastitis pathogens by long-chain fatty acids[J].J Dairy Sci,1987,70:927～934.
2[2]Selsted M E,Tang Y Q,Morris W L,et al.Purification,primary structures,and antibacterial activities of the beta-defensins,a new familv of antimicrobial peptides form bovine neutrophils[J].J Biol Chem,1993,268:6641～6644.
3[3]Magnusson U.Longitudinal study of lymphocyte subsets and major histocompatibiljty complex-class Ⅱ expressing cells in mammary glands of sows[J].Am J Vet Res,1999,60:546～548.
4[4]Shafer-Weaver K A,Corl C M,Sordillo L M.Shifts in bovine CD4+ subpopulations increase TH-2 compared to TH-1 effector cells durjng the postpartum period[J].J Dairy Sci,1999,82:1696～1706.
5[5]Park Y H,Fox L K,Hamilton M J,et al.Suppression of proliferative responses of BoCD4+ T lymphocytes by activated BoCD8 + T lymphocytes in the mammary gland of cows with Staphylococcus aureus mastitis[J].Vet Immunol Immunopathol,1993,36:137～151.
6[6]Mallard B A,Dekkers J C,Ireland M J,et al.Alteration in immune responsiveness during the peripartum period and its ramification on dairy cow and calf health[J].J Dairy Sci,1998,81:585～595.
7[7]Korhonen H,Marnila P,Gill H S.Milk immunoglobulins and complement factors[J].Br J Nutr,2000,84:75～80.
8[8]Msordillo L,Shafer-Weaver K,DeRosa D.Immunobiology of the mammary gland[J].J Dairy Sci,1997,80:1851～1865.
9[9]Cullor J S,Fairley N,Smith W L,et al.Hemogram changes in lactating dairy cows given human recombinant granulocyte colony-stimulating factor[J].Vet Pathobiol,1990,27:311～316.
10[10]Sordillo L M,Babiuk L A.Controlling acute Escherichia coli mastitis during the periparturient period with recombinant bovine interferon-gamma[J].Vet MicrobioL,1991,28:189～198.
