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) -132.00 -0.014 1.85
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 7.15
Calving Interval (days) -3.21 -1.459 4.68
Survival (%) 2.21 1.117 2.47
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.68
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.57 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 20.18

* Based on an €80/tonne carbon price