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 4.18
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -4.55 -0.375 1.70
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index 0.73
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) 0.48 1.117 0.54
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.09
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 13.91

* Based on an €80/tonne carbon price