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 2.63
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -2.55 -0.375 0.96
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index 7.23
Calving Interval (days) -4.22 -1.459 6.16
Survival (%) 0.96 1.117 1.07
Calving Sub Index 0.86
Gestation Length (days) -0.94 -0.919 0.86
Beef Sub Index 0.01
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 13.79

* Based on an €80/tonne carbon price