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 15.07
Milk (kg) -242.00 -0.014 3.39
Fat (kg) -17.52 -0.375 6.56
Prot (kg) -11.59 -0.441 5.12
Fertility Sub Index 3.49
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.33
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 29.44

* Based on an €80/tonne carbon price