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 8.71
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -10.92 -0.375 4.09
Prot (kg) -9.38 -0.441 4.14
Fertility Sub Index 4.11
Calving Interval (days) -2.31 -1.459 3.37
Survival (%) 0.66 1.117 0.74
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 2.00
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 21.62

* Based on an €80/tonne carbon price