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 4.07
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index -0.73
Calving Interval (days) 0.80 -1.459 -1.17
Survival (%) 0.39 1.117 0.44
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 5.17

* Based on an €80/tonne carbon price