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 14.58
Milk (kg) -242.00 -0.014 3.39
Fat (kg) -14.06 -0.375 5.27
Prot (kg) -13.43 -0.441 5.93
Fertility Sub Index 6.55
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.44 1.117 0.49
Calving Sub Index 0.44
Gestation Length (days) -0.48 -0.919 0.44
Beef Sub Index 0.08
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 23.44

* Based on an €80/tonne carbon price