Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 20.06
Milk (kg) -521.00 -0.014 7.29
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -25.63 -0.441 11.31
Fertility Sub Index 0.07
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) 0.27 1.117 0.30
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 0.22
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 21.15

* Based on an €80/tonne carbon price