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 21.61
Milk (kg) -449.00 -0.014 6.29
Fat (kg) -18.58 -0.375 6.96
Prot (kg) -18.96 -0.441 8.37
Fertility Sub Index 6.11
Calving Interval (days) -3.67 -1.459 5.35
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index -0.37
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 34.59

* Based on an €80/tonne carbon price