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 -3.06
Milk (kg) -3.00 -0.014 0.04
Fat (kg) 6.93 -0.375 -2.60
Prot (kg) 1.15 -0.441 -0.51
Fertility Sub Index 0.78
Calving Interval (days) 1.15 -1.459 -1.68
Survival (%) 2.20 1.117 2.46
Calving Sub Index 1.99
Gestation Length (days) -2.16 -0.919 1.99
Beef Sub Index 1.31
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 4.42 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 4.99

* Based on an €80/tonne carbon price