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 -1.31
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 2.09 -0.375 -0.78
Prot (kg) 1.09 -0.441 -0.48
Fertility Sub Index 2.03
Calving Interval (days) -1.01 -1.459 1.47
Survival (%) 0.50 1.117 0.56
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index 1.03
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.06 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 7.12

* Based on an €80/tonne carbon price