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 6.43
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -9.05 -0.375 3.39
Prot (kg) -4.55 -0.441 2.01
Fertility Sub Index 7.98
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 2.06 1.117 2.30
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index 5.37
Carcass Weight (kg) -8.30 -0.528 4.38
Age of Slaughter (days) -2.29 -0.432 0.99
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 21.95

* Based on an €80/tonne carbon price