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 19.41
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -22.34 -0.375 8.37
Prot (kg) -22.32 -0.441 9.85
Fertility Sub Index 4.44
Calving Interval (days) -2.33 -1.459 3.40
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index -1.28
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 23.98

* Based on an €80/tonne carbon price