The cost of feed is by far the main expense for a dairy operation, representing around half of the cost to produce milk on a dairy.

The transition to lactation is a metabolically challenging time in the life cycle of a dairy cow. Nutrient requirements to support milk production exceed nutrient intake, and the cow is at increased risk of metabolic and infectious disorders.

On Aug. 16, 2009, at the World Track and Field Championship in Berlin, Usain Bolt ran the 100 meters in only 9.58 seconds, achieving a feat no person had ever achieved.