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 -8.28
Milk (kg) 172.00 -0.014 -2.41
Fat (kg) 2.51 -0.375 -0.94
Prot (kg) 11.18 -0.441 -4.93
Fertility Sub Index -4.18
Calving Interval (days) 1.78 -1.459 -2.60
Survival (%) -1.42 1.117 -1.59
Calving Sub Index -0.43
Gestation Length (days) 0.47 -0.919 -0.43
Beef Sub Index 0.63
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -11.02

* Based on an €80/tonne carbon price