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 15.65
Milk (kg) -443.00 -0.014 6.20
Fat (kg) -11.26 -0.375 4.22
Prot (kg) -11.85 -0.441 5.23
Fertility Sub Index 6.19
Calving Interval (days) -4.22 -1.459 6.16
Survival (%) 0.03 1.117 0.03
Calving Sub Index -1.06
Gestation Length (days) 1.15 -0.919 -1.06
Beef Sub Index 2.74
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) -0.85 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 27.42

* Based on an €80/tonne carbon price