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 8.67
Milk (kg) -247.00 -0.014 3.46
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -6.65 -0.441 2.94
Fertility Sub Index -0.52
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 2.06
Gestation Length (days) -2.24 -0.919 2.06
Beef Sub Index 2.18
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 12.99

* Based on an €80/tonne carbon price