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 6.63
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -7.95 -0.375 2.98
Prot (kg) -5.95 -0.441 2.63
Fertility Sub Index 0.75
Calving Interval (days) -0.18 -1.459 0.26
Survival (%) 0.44 1.117 0.49
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 1.90
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 13.22

* Based on an €80/tonne carbon price