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 4.51
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -0.10 -0.375 0.04
Prot (kg) -5.16 -0.441 2.28
Fertility Sub Index 5.66
Calving Interval (days) -3.49 -1.459 5.09
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index 0.80
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 15.00

* Based on an €80/tonne carbon price