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 (%) 74% (High) 6.6 71
Liver Fluke (%) 35% (Low) 34.7 8

Within Breed

Trait Reliability PTA Percentile
TB (%) 74% (High) 6.6 75
Liver Fluke (%) 35% (Low) 34.7 41

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 (%) 13 19 5% of progeny were TB Reactors 665 5% of herdmates were TB reactors Progeny had same prevalance as herdmates
May 2025 TB (%) 13 19 5% of progeny were TB Reactors 665 5% of herdmates were TB reactors Progeny had same prevalance as herdmates
Sep 2025 Liver Fluke (%) 15 30 27% of progeny had damaged livers 198 15% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 14 29 24% of progeny had damaged livers 190 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 13 13 15 14
Total Progeny Records 19 19 30 29
Average Progeny Prevalence 5% of progeny were TB Reactors 5% of progeny were TB Reactors 27% of progeny had damaged livers 24% of progeny had damaged livers
Total Herdmate Records 665 665 198 190
Average Herdmate Prevalence 5% of herdmates were TB reactors 5% of herdmates were TB reactors 15% of herdmates had damaged livers 16% of herdmates had damaged livers
Interpretation Progeny had same prevalance as herdmates Progeny had same prevalance as herdmates Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates