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 5.36
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -5.85 -0.441 2.58
Fertility Sub Index 1.78
Calving Interval (days) -1.19 -1.459 1.74
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 0.22
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.80 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 8.22

* Based on an €80/tonne carbon price