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 10.81
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -13.72 -0.375 5.14
Prot (kg) -7.86 -0.441 3.47
Fertility Sub Index 1.12
Calving Interval (days) 0.19 -1.459 -0.28
Survival (%) 1.25 1.117 1.40
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.98
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 19.20

* Based on an €80/tonne carbon price