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 7.35
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -7.59 -0.375 2.84
Prot (kg) -5.58 -0.441 2.46
Fertility Sub Index 1.03
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) 1.05 1.117 1.17
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 3.22
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) -2.56 -0.432 1.11
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 21.70

* Based on an €80/tonne carbon price