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 (%) 81% (V High) 6.6 71
Liver Fluke (%) 39% (Low) 31.1 67

Within Breed

Trait Reliability PTA Percentile
TB (%) 81% (V High) 6.6 72
Liver Fluke (%) 39% (Low) 31.1 87

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 (%) 44 72 4% of progeny were TB Reactors 2764 4% of herdmates were TB reactors Progeny had same prevalance as herdmates
May 2025 TB (%) 42 66 5% of progeny were TB Reactors 2560 4% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 56 106 15% of progeny had damaged livers 518 11% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 56 101 16% of progeny had damaged livers 505 11% 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 44 42 56 56
Total Progeny Records 72 66 106 101
Average Progeny Prevalence 4% of progeny were TB Reactors 5% of progeny were TB Reactors 15% of progeny had damaged livers 16% of progeny had damaged livers
Total Herdmate Records 2764 2560 518 505
Average Herdmate Prevalence 4% of herdmates were TB reactors 4% of herdmates were TB reactors 11% of herdmates had damaged livers 11% of herdmates had damaged livers
Interpretation Progeny had same prevalance as herdmates Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates