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 (%) 94% (V High) 10 9
Liver Fluke (%) 49% (Average) 32.7 29

Within Breed

Trait Reliability PTA Percentile
TB (%) 94% (V High) 10 12
Liver Fluke (%) 49% (Average) 32.7 66

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 (%) 209 313 7% of progeny were TB Reactors 12914 4% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 196 291 7% of progeny were TB Reactors 11981 4% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 114 175 22% of progeny had damaged livers 786 15% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 112 173 22% of progeny had damaged livers 755 16% 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 209 196 114 112
Total Progeny Records 313 291 175 173
Average Progeny Prevalence 7% of progeny were TB Reactors 7% of progeny were TB Reactors 22% of progeny had damaged livers 22% of progeny had damaged livers
Total Herdmate Records 12914 11981 786 755
Average Herdmate Prevalence 4% of herdmates were TB reactors 4% of herdmates were TB reactors 15% of herdmates had damaged livers 16% 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