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 4.19
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -2.18 -0.441 0.96
Fertility Sub Index 7.03
Calving Interval (days) -3.72 -1.459 5.43
Survival (%) 1.43 1.117 1.60
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.13
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.35 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 21.08

* Based on an €80/tonne carbon price