Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.98
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -4.36 -0.375 1.63
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index -3.74
Calving Interval (days) 1.90 -1.459 -2.77
Survival (%) -0.87 1.117 -0.97
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.51
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.78 -0.432 0.77
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 12.88

* Based on an €80/tonne carbon price