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 1.96
Milk (kg) -112.00 -0.014 1.57
Fat (kg) 1.36 -0.375 -0.51
Prot (kg) -2.05 -0.441 0.90
Fertility Sub Index -5.84
Calving Interval (days) 3.17 -1.459 -4.63
Survival (%) -1.09 1.117 -1.22
Calving Sub Index 1.66
Gestation Length (days) -1.81 -0.919 1.66
Beef Sub Index -1.02
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index -1.66

* Based on an €80/tonne carbon price