Murphey, R M Foraging differences in cattle: fecal analysis of three racial categories in a harsh environment. [electronic resource] - Behavior genetics Jul 1981 - 385-94 p. digital Publication Type: Journal Article ISSN: 0001-8244 Standard No.: 10.1007/BF01070821 doi Subjects--Topical Terms: AnimalsCattle--physiologyEnvironmentFeces--analysisFeeding BehaviorFemaleFood PreferencesMaleMexico