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 4.19
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -1.19 -0.375 0.45
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index 4.04
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 1.54 1.117 1.72
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.46
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 7.17 -0.432 -3.10
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 14.39

* Based on an €80/tonne carbon price