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 4.59
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index -0.52
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) -0.01 1.117 -0.01
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 3.25
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) -0.45 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 15.92

* Based on an €80/tonne carbon price