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 4.34
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -2.29 -0.375 0.86
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index -7.38
Calving Interval (days) 3.69 -1.459 -5.38
Survival (%) -1.79 1.117 -2.00
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index -0.35
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index -3.96

* Based on an €80/tonne carbon price