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 6.03
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -2.58 -0.375 0.97
Prot (kg) -6.30 -0.441 2.78
Fertility Sub Index -0.05
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) -0.55 1.117 -0.61
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index -0.42
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) -2.32 -0.432 1.00
Maintenance Sub Index Maint. Sub Index -2.39
Live WT (kg) 7.80 -0.307 -2.39
Total Carbon Sub Index 3.14

* Based on an €80/tonne carbon price