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 2.48
Milk (kg) -89.00 -0.014 1.25
Fat (kg) 2.54 -0.375 -0.95
Prot (kg) -4.96 -0.441 2.19
Fertility Sub Index 0.59
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.09
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 4.48

* Based on an €80/tonne carbon price