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 16.19
Milk (kg) -269.00 -0.014 3.77
Fat (kg) -15.57 -0.375 5.83
Prot (kg) -14.93 -0.441 6.59
Fertility Sub Index 1.22
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) -1.65 1.117 -1.84
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index 2.98
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -1.53 -0.432 0.66
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 23.36

* Based on an €80/tonne carbon price