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 7.59
Milk (kg) -193.00 -0.014 2.70
Fat (kg) -5.50 -0.375 2.06
Prot (kg) -6.40 -0.441 2.82
Fertility Sub Index 7.00
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 2.61 1.117 2.92
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -0.25
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -0.40 -0.432 0.17
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 15.28

* Based on an €80/tonne carbon price