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 10.75
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -14.56 -0.375 5.45
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index -0.05
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) 0.06 1.117 0.07
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.55
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.12 -0.432 0.92
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 23.82

* Based on an €80/tonne carbon price