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 -8.04
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 14.99 -0.375 -5.61
Prot (kg) 5.21 -0.441 -2.30
Fertility Sub Index 1.75
Calving Interval (days) 0.71 -1.459 -1.04
Survival (%) 2.49 1.117 2.78
Calving Sub Index 3.02
Gestation Length (days) -3.29 -0.919 3.02
Beef Sub Index -2.75
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 2.58 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index -7.18

* Based on an €80/tonne carbon price