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 6.81
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -6.39 -0.375 2.39
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 3.58
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.98 1.117 1.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.43
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 19.43

* Based on an €80/tonne carbon price