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 (%) 98% (V High) 9.8 11
Liver Fluke (%) 60% (High) 32.3 35

Within Breed

Trait Reliability PTA Percentile
TB (%) 98% (V High) 9.8 15
Liver Fluke (%) 60% (High) 32.3 88

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 (%) 213 322 22% of progeny were TB Reactors 8305 12% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 213 322 22% of progeny were TB Reactors 8305 12% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 6 6 50% of progeny had damaged livers 15 14% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 6 6 50% of progeny had damaged livers 15 14% 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 213 213 6 6
Total Progeny Records 322 322 6 6
Average Progeny Prevalence 22% of progeny were TB Reactors 22% of progeny were TB Reactors 50% of progeny had damaged livers 50% of progeny had damaged livers
Total Herdmate Records 8305 8305 15 15
Average Herdmate Prevalence 12% of herdmates were TB reactors 12% of herdmates were TB reactors 14% of herdmates had damaged livers 14% 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