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 5.31
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -5.05 -0.375 1.89
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 8.44
Calving Interval (days) -5.22 -1.459 7.62
Survival (%) 0.74 1.117 0.83
Calving Sub Index 2.13
Gestation Length (days) -2.32 -0.919 2.13
Beef Sub Index -2.56
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) -0.06 -0.432 0.03
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index 12.13

* Based on an €80/tonne carbon price