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 (%) 95% (V High) 8.5 31
Liver Fluke (%) 48% (Average) 31 71

Within Breed

Trait Reliability PTA Percentile
TB (%) 95% (V High) 8.5 41
Liver Fluke (%) 48% (Average) 31 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 (%) 260 489 6% of progeny were TB Reactors 15792 4% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 222 397 6% of progeny were TB Reactors 13394 4% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 173 309 16% of progeny had damaged livers 1489 10% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 159 274 16% of progeny had damaged livers 1304 10% of herdmates had damaged livers Progeny had higher (worse) 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 260 222 173 159
Total Progeny Records 489 397 309 274
Average Progeny Prevalence 6% of progeny were TB Reactors 6% of progeny were TB Reactors 16% of progeny had damaged livers 16% of progeny had damaged livers
Total Herdmate Records 15792 13394 1489 1304
Average Herdmate Prevalence 4% of herdmates were TB reactors 4% of herdmates were TB reactors 10% of herdmates had damaged livers 10% of herdmates had damaged livers
Interpretation Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates