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 10.28
Milk (kg) -199.00 -0.014 2.79
Fat (kg) -7.90 -0.375 2.96
Prot (kg) -10.28 -0.441 4.54
Fertility Sub Index 3.23
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 0.57 1.117 0.64
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 0.09
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index 13.60

* Based on an €80/tonne carbon price