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 8.79
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -6.31 -0.375 2.36
Prot (kg) -7.11 -0.441 3.14
Fertility Sub Index 6.97
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.82 1.117 0.92
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index 0.07
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 18.54

* Based on an €80/tonne carbon price