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 7.87
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -5.59 -0.375 2.09
Prot (kg) -7.53 -0.441 3.32
Fertility Sub Index 7.57
Calving Interval (days) -4.46 -1.459 6.51
Survival (%) 0.95 1.117 1.06
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.13
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 19.25

* Based on an €80/tonne carbon price