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 33.70
Milk (kg) -447.00 -0.014 6.26
Fat (kg) -46.22 -0.375 17.31
Prot (kg) -22.95 -0.441 10.13
Fertility Sub Index 0.08
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) -0.91 1.117 -1.02
Calving Sub Index 0.89
Gestation Length (days) -0.97 -0.919 0.89
Beef Sub Index -0.12
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 37.58

* Based on an €80/tonne carbon price