Scientists develop vaccination robot for cows:

person who systematically observes and analyzes phenomena and tests hypotheses using scientific methods

practice of cultivating plants and raising animals to produce food, fiber, fuel, and other products; one of humanity's oldest and most widespread activities, forming the foundation of most human civil

mechanical or virtual artificial agent carrying out physical activities, which can be guided by an external control device or the control may be embedded within

infusion method of putting fluid into the body