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 (%) 89% (V High) 8 41
Liver Fluke (%) 35% (Low) 30 95

Within Breed

Trait Reliability PTA Percentile
TB (%) 89% (V High) 8 51
Liver Fluke (%) 35% (Low) 30 55

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 (%) 119 153 8% of progeny were TB Reactors 6747 4% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 109 140 9% of progeny were TB Reactors 6244 4% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 50 62 32% of progeny had damaged livers 241 28% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 49 60 32% of progeny had damaged livers 229 27% 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 119 109 50 49
Total Progeny Records 153 140 62 60
Average Progeny Prevalence 8% of progeny were TB Reactors 9% of progeny were TB Reactors 32% of progeny had damaged livers 32% of progeny had damaged livers
Total Herdmate Records 6747 6244 241 229
Average Herdmate Prevalence 4% of herdmates were TB reactors 4% of herdmates were TB reactors 28% of herdmates had damaged livers 27% 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