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 Beef Breeds

Trait Reliability PTA Percentile
TB (%) 78% (High) 8.7 27
Liver Fluke (%) 21% (Low) 29.6 97

Within Breed

Trait Reliability PTA Percentile
TB (%) 78% (High) 8.7 34
Liver Fluke (%) 21% (Low) 29.6 99

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 (%) 51 65 11% of progeny were TB Reactors 2825 6% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 47 61 10% of progeny were TB Reactors 2580 5% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 21 27 11% of progeny had damaged livers 269 12% of herdmates had damaged livers Progeny had lower (better) prevalance than herdmates
May 2025 Liver Fluke (%) 21 27 11% of progeny had damaged livers 270 12% 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 51 47 21 21
Total Progeny Records 65 61 27 27
Average Progeny Prevalence 11% of progeny were TB Reactors 10% of progeny were TB Reactors 11% of progeny had damaged livers 11% of progeny had damaged livers
Total Herdmate Records 2825 2580 269 270
Average Herdmate Prevalence 6% of herdmates were TB reactors 5% of herdmates were TB reactors 12% of herdmates had damaged livers 12% of herdmates had damaged livers
Interpretation Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates Progeny had lower (better) prevalance than herdmates Progeny had lower (better) prevalance than herdmates