USDA-DHIA Sire Summaries-AI Advantage

Understanding Estimates of AI Sire Fertility

Records contributing to national genetic evaluations by year, registration status, herd size, and region.

Lactation records from official DHIA were screened for usability in computing USDA-DHIA genetic evaluations. Counts of usable lactation records by state, registration status, and year were examined. Number of cows enrolled in official record-keeping plans of DHIA was the denominator for calculation of percentage of official DHIA records usable in genetic evaluations for state-years. Percentage ...

Usda Forest Service

USDA Forest Service

Wildland fire is an important disturbance agent in the western US and globally. However, the natural role of fire has been disrupted in many regions due to the influence of human activities, which have the potential to either exclude or promote fire, resulting in a ‘‘fire deficit’’ or ‘‘fire surplus’’, respectively. In this study, we developed a model of expected area burned for the western US ...

ID-212: Using DHIA Records for Somatic Cell Count Management

D (Dairy Herd Improvement Association) records are an essential part of dairy herd management for many progressive dairy operations. The old adage “If you can’t measure it, you can’t manage it” holds true when it comes to dairy farm management, particularly when it comes to somatic cell count (SCC) management. When working with dairy farmers, we often hear the statement “I don’t know how I woul...