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 (%) 93% (V High) 7 64
Liver Fluke (%) 66% (High) 31.2 64

Within Breed

Trait Reliability PTA Percentile
TB (%) 93% (V High) 7 42
Liver Fluke (%) 66% (High) 31.2 99

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 (%) 110 211 5% of progeny were TB Reactors 8256 3% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 107 208 5% of progeny were TB Reactors 8009 3% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 217 373 6% of progeny had damaged livers 2306 6% of herdmates had damaged livers Progeny had same prevalance as herdmates
May 2025 Liver Fluke (%) 216 372 6% of progeny had damaged livers 2298 6% of herdmates had damaged livers Progeny had same prevalance as 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 110 107 217 216
Total Progeny Records 211 208 373 372
Average Progeny Prevalence 5% of progeny were TB Reactors 5% of progeny were TB Reactors 6% of progeny had damaged livers 6% of progeny had damaged livers
Total Herdmate Records 8256 8009 2306 2298
Average Herdmate Prevalence 3% of herdmates were TB reactors 3% of herdmates were TB reactors 6% of herdmates had damaged livers 6% of herdmates had damaged livers
Interpretation Progeny had higher (worse) prevalance than herdmates Progeny had higher (worse) prevalance than herdmates Progeny had same prevalance as herdmates Progeny had same prevalance as herdmates