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 11.12
Milk (kg) -246.00 -0.014 3.44
Fat (kg) -10.15 -0.375 3.80
Prot (kg) -8.78 -0.441 3.88
Fertility Sub Index 1.29
Calving Interval (days) -0.61 -1.459 0.89
Survival (%) 0.36 1.117 0.40
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.85
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.87 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 23.63

* Based on an €80/tonne carbon price