Guidry, A J Immunoglobulin isotype concentrations in milk as affected by stage of lactation and parity. [electronic resource] - Journal of dairy science Jul 1986 - 1799-805 p. digital Publication Type: Journal Article ISSN: 0022-0302 Standard No.: 10.3168/jds.S0022-0302(86)80604-X doi Subjects--Topical Terms: AnimalsCattleFemaleImmunoglobulin A--analysisImmunoglobulin Allotypes--analysisImmunoglobulin G--analysisImmunoglobulin M--analysisLactationMilk--immunologyParityPregnancy