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 3.74
Milk (kg) -190.00 -0.014 2.66
Fat (kg) 1.36 -0.375 -0.51
Prot (kg) -3.61 -0.441 1.59
Fertility Sub Index 3.43
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 0.04 1.117 0.04
Calving Sub Index 1.07
Gestation Length (days) -1.16 -0.919 1.07
Beef Sub Index -0.18
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 12.38

* Based on an €80/tonne carbon price