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.
The concept described above is referred to as a âproductâs life cycleâ. Specifically, it describes a number of commercialisation steps that each product goes through as it penetrates the market. These steps include the initial research, sales growth, maturing of market demand and ultimately the productâs decline.