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 (%) 92% (V High) 9.9 10
Liver Fluke (%) 63% (High) 34 10

Within Breed

Trait Reliability PTA Percentile
TB (%) 92% (V High) 9.9 9
Liver Fluke (%) 63% (High) 34 1

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 (%) 124 161 15% of progeny were TB Reactors 6744 7% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
May 2025 TB (%) 124 161 15% of progeny were TB Reactors 6744 7% of herdmates were TB reactors Progeny had higher (worse) prevalance than herdmates
Sep 2025 Liver Fluke (%) 174 313 28% of progeny had damaged livers 1079 20% of herdmates had damaged livers Progeny had higher (worse) prevalance than herdmates
May 2025 Liver Fluke (%) 175 314 28% of progeny had damaged livers 1072 20% 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 124 124 174 175
Total Progeny Records 161 161 313 314
Average Progeny Prevalence 15% of progeny were TB Reactors 15% of progeny were TB Reactors 28% of progeny had damaged livers 28% of progeny had damaged livers
Total Herdmate Records 6744 6744 1079 1072
Average Herdmate Prevalence 7% of herdmates were TB reactors 7% of herdmates were TB reactors 20% of herdmates had damaged livers 20% 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