Kil, S J Involvement of opioid peptides from casein on reticular motility and digesta passage in steers. [electronic resource] - Journal of dairy science Jan 1994 - 111-23 p. digital Publication Type: Journal Article ISSN: 0022-0302 Standard No.: 10.3168/jds.S0022-0302(94)76934-4 doi Subjects--Topical Terms: Abomasum--drug effectsAnimalsCaseins--administration & dosageCattle--physiologyDigestion--drug effectsEndorphins--physiologyGastrointestinal Motility--drug effectsHydrolysisMaleMuscle Contraction--drug effectsNaltrexone--pharmacologyReticulum--drug effectsSolutions