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 6.64
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -5.14 -0.375 1.93
Prot (kg) -6.59 -0.441 2.91
Fertility Sub Index 0.97
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.19
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 9.00

* Based on an €80/tonne carbon price