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 9.42
Milk (kg) -222.00 -0.014 3.11
Fat (kg) -8.25 -0.375 3.09
Prot (kg) -7.31 -0.441 3.23
Fertility Sub Index 6.04
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.62 1.117 1.81
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.59
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 25.92

* Based on an €80/tonne carbon price