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 4.19
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -4.45 -0.375 1.67
Prot (kg) -4.19 -0.441 1.85
Fertility Sub Index -0.87
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.82 1.117 -0.92
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 2.48
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -3.42 -0.432 1.48
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 11.97

* Based on an €80/tonne carbon price