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 5.98
Milk (kg) -221.00 -0.014 3.09
Fat (kg) -3.72 -0.375 1.39
Prot (kg) -3.39 -0.441 1.50
Fertility Sub Index 5.55
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) 0.46 1.117 0.51
Calving Sub Index 2.03
Gestation Length (days) -2.21 -0.919 2.03
Beef Sub Index 1.62
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.57 -0.432 0.25
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 19.17

* Based on an €80/tonne carbon price