Relating to a study of the effectiveness of rules implemented by the Texas Parks and Wildlife Department governing the management of chronic wasting disease and of cervid resistance to chronic wasting disease.

Based on the provided context, no bill text is available for HB 5458 (only a placeholder note states "This version is not currently available"). The title indicates the bill would direct a study on Texas Parks and Wildlife Department rules related to chronic wasting disease management and cervid (deer/elk) resistance to the disease. Without the actual bill language or specific provisions, a summary of its mechanisms, affected parties, or concrete policy changes cannot be provided. The bill is currently pending in committee with no further action recorded.