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 2.50
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -2.73 -0.375 1.02
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 3.26
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.57 1.117 0.64
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 0.81
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 9.33

* Based on an €80/tonne carbon price