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 3.48
Milk (kg) -220.00 -0.014 3.08
Fat (kg) 1.37 -0.375 -0.51
Prot (kg) -2.06 -0.441 0.91
Fertility Sub Index 0.13
Calving Interval (days) 0.44 -1.459 -0.64
Survival (%) 0.69 1.117 0.77
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.09
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 12.98

* Based on an €80/tonne carbon price