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 7.01
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -5.28 -0.375 1.98
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 4.07
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) 0.85 1.117 0.95
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.34
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.67 -0.432 0.29
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 21.03

* Based on an €80/tonne carbon price