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 15.33
Milk (kg) -302.00 -0.014 4.23
Fat (kg) -18.83 -0.375 7.05
Prot (kg) -9.18 -0.441 4.05
Fertility Sub Index 6.36
Calving Interval (days) -3.87 -1.459 5.65
Survival (%) 0.64 1.117 0.72
Calving Sub Index -2.40
Gestation Length (days) 2.61 -0.919 -2.40
Beef Sub Index -1.51
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price