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) 12.2 1
Liver Fluke (%) 23% (Low) 33.2 18

Within Breed

Trait Reliability PTA Percentile
TB (%) 91% (V High) 12.2 2
Liver Fluke (%) 23% (Low) 33.2 21

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 (%) 67 80 29% of progeny were TB Reactors 1968 15% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 67 80 29% of progeny were TB Reactors 1968 15% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 7 7 43% of progeny had damaged livers 16 20% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 7 7 43% of progeny had damaged livers 16 20% 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 67 67 7 7
Total Progeny Records 80 80 7 7
Average Progeny Prevalence 29% of progeny were TB Reactors 29% of progeny were TB Reactors 43% of progeny had damaged livers 43% of progeny had damaged livers
Total Herdmate Records 1968 1968 16 16
Average Herdmate Prevalence 15% of herdmates were TB reactors 15% of herdmates were TB reactors 20% of herdmates had damaged livers 20% 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