Documentation of calculations

For evaluation results, please refer to Evaluations page.

Changes in calculations

• Changes across time
• Changes by topic

Trait evaluations

• Production (milk, fat, protein)
• Longevity (productive life)
• Health (somatic cell score)
• Female fertility (heifer and cow conception rates, daughter pregnancy rate, calving to first insemination)
• Male fertility (sire conception rate)
• Conformation (type)
• Calving (calving ease, stillbirth)
• Workability (milking speed)

Trait calculation details

• Sire conception rate (SCR)
• Lifetime net merit (NM$)
• Best prediction of lactation yield
• Estimating daily milk yield
• Age-season standardization for yield
• Data-collection rating (DCR)
• Use of owner-sampler data
• True protein
• Multitrait productive life (PL)
• Daughter pregnancy rate (DPR)
• Calving ease (CE)
• Stillbirth (SB)
• Type for non-Holstein breeds
• Goat information

Schedule and distribution

• File receipt and release dates
• Distribution of evaluations
• Access to cooperator data

Formats and edits

• Data-exchange formats
• Record-coding assistance
• Error-code explanation
• Missing-evaluation explanation
• The American ID number
• International ID formats
• Goat ID systems

Genomic calculations

• Genomic prediction
• Trait evaluations (Interbull GENO form)
• Single-nucleotide polymorphisms (SNPs) used in evaluation

Interbull calculations

• Interbull homepage
• Evaluations used by Interbull
• Conversion information
• Advertising guidelines
• International cow list