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 10.44
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -14.03 -0.375 5.26
Prot (kg) -7.25 -0.441 3.20
Fertility Sub Index -3.23
Calving Interval (days) 1.76 -1.459 -2.57
Survival (%) -0.59 1.117 -0.66
Calving Sub Index -2.57
Gestation Length (days) 2.80 -0.919 -2.57
Beef Sub Index 0.03
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -0.44 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 10.22

* Based on an €80/tonne carbon price