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 3.66
Milk (kg) -138.00 -0.014 1.93
Fat (kg) 0.77 -0.375 -0.29
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 1.48
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 6.75

* Based on an €80/tonne carbon price