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 4.86
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index -0.70
Calving Interval (days) 1.60 -1.459 -2.33
Survival (%) 1.46 1.117 1.63
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 0.51
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 9.99

* Based on an €80/tonne carbon price