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 11.76
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -14.20 -0.375 5.32
Prot (kg) -8.95 -0.441 3.95
Fertility Sub Index -4.26
Calving Interval (days) 2.82 -1.459 -4.11
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -2.08
Gestation Length (days) 2.26 -0.919 -2.08
Beef Sub Index -2.59
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) 0.13 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 5.17

* Based on an €80/tonne carbon price