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 2.33
Milk (kg) -147.00 -0.014 2.06
Fat (kg) 2.91 -0.375 -1.09
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index 14.04
Calving Interval (days) -6.32 -1.459 9.22
Survival (%) 4.31 1.117 4.82
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.49
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 19.77

* Based on an €80/tonne carbon price