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 -3.51
Milk (kg) -3.00 -0.014 0.04
Fat (kg) 7.80 -0.375 -2.92
Prot (kg) 1.43 -0.441 -0.63
Fertility Sub Index -2.15
Calving Interval (days) 1.43 -1.459 -2.09
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 0.44
Gestation Length (days) -0.48 -0.919 0.44
Beef Sub Index 0.48
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index -2.35

* Based on an €80/tonne carbon price