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 9.45
Milk (kg) -291.00 -0.014 4.07
Fat (kg) -6.50 -0.375 2.43
Prot (kg) -6.66 -0.441 2.94
Fertility Sub Index 4.12
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 0.20 1.117 0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.60
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 17.94

* Based on an €80/tonne carbon price