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 8.45
Milk (kg) -221.00 -0.014 3.09
Fat (kg) -9.37 -0.375 3.51
Prot (kg) -4.19 -0.441 1.85
Fertility Sub Index 4.50
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index -1.28
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) -1.79 -0.432 0.77
Maintenance Sub Index Maint. Sub Index -0.86
Live WT (kg) 2.80 -0.307 -0.86
Total Carbon Sub Index 10.03

* Based on an €80/tonne carbon price