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 2.17
Milk (kg) -89.00 -0.014 1.25
Fat (kg) 3.27 -0.375 -1.22
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index 0.44
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) 0.26 1.117 0.29
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.16
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 4.36

* Based on an €80/tonne carbon price