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 (%) 91% (V High) 10.4 6
Liver Fluke (%) 65% (High) 31.6 50

Within Breed

Trait Reliability PTA Percentile
TB (%) 91% (V High) 10.4 5
Liver Fluke (%) 65% (High) 31.6 45

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 (%) 72 191 10% of progeny were TB Reactors 8141 3% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 59 163 12% of progeny were TB Reactors 7230 3% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 181 497 6% of progeny had damaged livers 2614 6% of herdmates had damaged livers Progeny had same prevalance as herdmates
May 2025 Liver Fluke (%) 162 465 6% of progeny had damaged livers 2382 6% of herdmates had damaged livers Progeny had same prevalance as 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 72 59 181 162
Total Progeny Records 191 163 497 465
Average Progeny Prevalence 10% of progeny were TB Reactors 12% of progeny were TB Reactors 6% of progeny had damaged livers 6% of progeny had damaged livers
Total Herdmate Records 8141 7230 2614 2382
Average Herdmate Prevalence 3% of herdmates were TB reactors 3% of herdmates were TB reactors 6% of herdmates had damaged livers 6% of herdmates had damaged livers
Interpretation Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates Progeny had same prevalance as herdmates Progeny had same prevalance as herdmates