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 9.72
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -10.81 -0.375 4.05
Prot (kg) -8.44 -0.441 3.73
Fertility Sub Index 3.77
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 0.63 1.117 0.70
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.27
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 22.47

* Based on an €80/tonne carbon price