Introduction The longevity is normally defined as the length of its productive life in the flock, which is the amount of time an animal spends producing (1).Longevity reflects the ability of ewe to avoid being culled for low production, low fertility, illness and influences the number and cost of replacements required to maintain the flock size.The

Based on the equate-to-differentiate theory, this paper studies the paradox of preference reversal and choice reversal in traffic decision-making in parallel sections of Chengdu Metro Line No.2 and No.4.Travel decision reversals: preference reversals phenomenon (PRP) and choice reversals phenomenon (CRP) are found in the travel investigation for Ch

ndustry needs quality data, but digital formats increase the risk of lost data quality, implying huge risk.The benefits of data quality are difficult to calculate in order to justify the expense.A survey was developed and SOD validated at an operating asset as a precedent.The elements are productivity and Carafes production loss, and increased cost