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 22.13
Milk (kg) -448.00 -0.014 6.27
Fat (kg) -23.56 -0.375 8.82
Prot (kg) -15.94 -0.441 7.04
Fertility Sub Index 1.02
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.89 1.117 0.99
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.85
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 34.16

* Based on an €80/tonne carbon price