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 15.06
Milk (kg) -252.00 -0.014 3.53
Fat (kg) -16.20 -0.375 6.07
Prot (kg) -12.37 -0.441 5.46
Fertility Sub Index -3.10
Calving Interval (days) 2.36 -1.459 -3.44
Survival (%) 0.31 1.117 0.35
Calving Sub Index -1.05
Gestation Length (days) 1.14 -0.919 -1.05
Beef Sub Index -4.13
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) 5.17 -0.432 -2.23
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 5.31

* Based on an €80/tonne carbon price