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 10.36
Milk (kg) -224.00 -0.014 3.14
Fat (kg) -9.32 -0.375 3.49
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index 0.51
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) 0.50 1.117 0.56
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.28
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 19.80

* Based on an €80/tonne carbon price