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 6.14
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -3.71 -0.375 1.39
Prot (kg) -6.22 -0.441 2.75
Fertility Sub Index 0.97
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 6.93

* Based on an €80/tonne carbon price