Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.30
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 1.04 -0.375 -0.39
Prot (kg) -0.92 -0.441 0.41
Fertility Sub Index 3.03
Calving Interval (days) -1.01 -1.459 1.47
Survival (%) 1.39 1.117 1.55
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 4.97
Carcass Weight (kg) -16.30 -0.528 8.60
Age of Slaughter (days) 8.41 -0.432 -3.63
Maintenance Sub Index Maint. Sub Index 14.96
Live WT (kg) -48.80 -0.307 14.96
Total Carbon Sub Index 24.99

* Based on an €80/tonne carbon price