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 6.49
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -7.32 -0.375 2.74
Prot (kg) -5.93 -0.441 2.62
Fertility Sub Index -0.22
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.32
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 3.07 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 4.01

* Based on an €80/tonne carbon price