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) 9 21
Liver Fluke (%) 37% (Low) 32.5 32

Within Breed

Trait Reliability PTA Percentile
TB (%) 91% (V High) 9 28
Liver Fluke (%) 37% (Low) 32.5 80

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 (%) 137 184 9% of progeny were TB Reactors 8837 3% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 127 172 10% of progeny were TB Reactors 8393 3% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 55 77 27% of progeny had damaged livers 238 18% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 55 76 28% of progeny had damaged livers 231 19% 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 137 127 55 55
Total Progeny Records 184 172 77 76
Average Progeny Prevalence 9% of progeny were TB Reactors 10% of progeny were TB Reactors 27% of progeny had damaged livers 28% of progeny had damaged livers
Total Herdmate Records 8837 8393 238 231
Average Herdmate Prevalence 3% of herdmates were TB reactors 3% of herdmates were TB reactors 18% of herdmates had damaged livers 19% 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