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 (%) 99% (V High) 8.9 23
Liver Fluke (%) 80% (V High) 33.4 14

Within Breed

Trait Reliability PTA Percentile
TB (%) 99% (V High) 8.9 31
Liver Fluke (%) 80% (V High) 33.4 9

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 (%) 912 1524 16% of progeny were TB Reactors 36724 7% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 911 1522 16% of progeny were TB Reactors 36722 7% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 94 121 62% of progeny had damaged livers 139 37% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 93 120 63% of progeny had damaged livers 134 36% 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 912 911 94 93
Total Progeny Records 1524 1522 121 120
Average Progeny Prevalence 16% of progeny were TB Reactors 16% of progeny were TB Reactors 62% of progeny had damaged livers 63% of progeny had damaged livers
Total Herdmate Records 36724 36722 139 134
Average Herdmate Prevalence 7% of herdmates were TB reactors 7% of herdmates were TB reactors 37% of herdmates had damaged livers 36% 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