Even a small amount of lead can kill cattle. Cattle will readily drink crankcase oil, lick grease from machinery and chew on lead plumbing and batteries. Other frequent causes of poisoning include flaking high lead paint, ash from fires in which lead materials were burnt, lead shot from shooting.
life cycle. 1  The series of changes in the growth and development of an organism from its beginning as an independent life form to its mature state in which offspring are produced. 2  The sequence of events between the start of one generation and the start of the next.
What is a family life cycle? The emotional and intellectual stages you pass through from childhood to your retirement years as a member of a family are called the family life cycle. In each stage, you face challenges in your family life that allow you to build or gain new skills.