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 1.44
Milk (kg) 21.00 -0.014 -0.29
Fat (kg) -1.61 -0.375 0.60
Prot (kg) -2.56 -0.441 1.13
Fertility Sub Index 2.04
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.85 1.117 0.95
Calving Sub Index -1.67
Gestation Length (days) 1.82 -0.919 -1.67
Beef Sub Index -2.69
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 5.26 -0.432 -2.27
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 3.40

* Based on an €80/tonne carbon price