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 5.07
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -4.32 -0.375 1.62
Prot (kg) -5.63 -0.441 2.48
Fertility Sub Index 1.23
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.42 1.117 0.47
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.18
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 8.16

* Based on an €80/tonne carbon price