Breeding can help protect your herd from TB and Liver Fluke infection.

PTAs are interpretative of the expected prevalence of TB or Liver Fluke infection in that animal's progeny.
Therefore, lower PTAs are more desirable.

Across All Dairy Breeds

Trait Reliability PTA Percentile
TB (%) 30% (Low) 8.61 45
Liver Fluke (%) 21% (Low) 32.99 20

Progeny and Herdmate Performance

Date of Evaluation Trait Total Herds Total Progeny Records Average Progeny Prevalence Total Herdmate Records Average Herdmate Prevalence Interpretation
Sep 2025 TB (%) 0% of progeny were TB Reactors 0% of herdmates were TB reactors Neither Progeny nor Herdmate records were used to estimate breeding values for this animal
May 2025 TB (%) 0% of progeny were TB Reactors 0% of herdmates were TB reactors Neither Progeny nor Herdmate records were used to estimate breeding values for this animal
Sep 2025 Liver Fluke (%) 1 1 0% of progeny had damaged livers 4 60% of herdmates had damaged livers Progeny had lower (better) prevalance than herdmates
May 2025 Liver Fluke (%) 1 1 0% of progeny had damaged livers 4 60% of herdmates had damaged livers Progeny had lower (better) prevalance than herdmates
Field TB (Current) TB (Previous) Liver Fluke (Current) Liver Fluke (Previous)
Date of Evaluation Sep 2025 May 2025 Sep 2025 May 2025
Trait TB (%) TB (%) Liver Fluke (%) Liver Fluke (%)
Total Herds 1 1
Total Progeny Records 1 1
Average Progeny Prevalence 0% of progeny were TB Reactors 0% of progeny were TB Reactors 0% of progeny had damaged livers 0% of progeny had damaged livers
Total Herdmate Records 4 4
Average Herdmate Prevalence 0% of herdmates were TB reactors 0% of herdmates were TB reactors 60% of herdmates had damaged livers 60% of herdmates had damaged livers
Interpretation Neither Progeny nor Herdmate records were used to estimate breeding values for this animal Neither Progeny nor Herdmate records were used to estimate breeding values for this animal Progeny had lower (better) prevalance than herdmates Progeny had lower (better) prevalance than herdmates