Abeygunawardena, H.Alexander, P.A.B.D.Abeygunawardena, I.S.Perera, B.M.A.O.2012-04-102012-04-102000Tropical Agricultural Research and Extension3(1)pp.75-81https://dl.nsf.gov.lk/handle/1/8132Veterinary sciencesArtificial inseminationRadioimmunoassay techniqueLivestock productionAnimal reproductionGenetic engineeringNuclear techniquesUse of milk progesterone RIA to determine factors affecting the success rate of artificial insemination services in cattle in Mid-country small -holder farms in Sri Lanka. preliminary resultsArticle