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 9.18
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -9.56 -0.441 4.22
Fertility Sub Index -3.11
Calving Interval (days) 1.38 -1.459 -2.01
Survival (%) -0.98 1.117 -1.09
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.32
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.58 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 17.61

* Based on an €80/tonne carbon price