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 (%) 97% (V High) 9.2 18
Liver Fluke (%) 63% (High) 35 7

Within Breed

Trait Reliability PTA Percentile
TB (%) 97% (V High) 9.2 19
Liver Fluke (%) 63% (High) 35 90

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 (%) 421 595 11% of progeny were TB Reactors 20382 6% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 419 593 11% of progeny were TB Reactors 20308 6% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 355 482 28% of progeny had damaged livers 1904 21% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 355 482 28% of progeny had damaged livers 1903 21% 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 421 419 355 355
Total Progeny Records 595 593 482 482
Average Progeny Prevalence 11% of progeny were TB Reactors 11% of progeny were TB Reactors 28% of progeny had damaged livers 28% of progeny had damaged livers
Total Herdmate Records 20382 20308 1904 1903
Average Herdmate Prevalence 6% of herdmates were TB reactors 6% of herdmates were TB reactors 21% of herdmates had damaged livers 21% 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