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 4.75
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -4.03 -0.375 1.51
Prot (kg) -3.79 -0.441 1.67
Fertility Sub Index 2.01
Calving Interval (days) -1.08 -1.459 1.58
Survival (%) 0.39 1.117 0.44
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.08
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 7.90

* Based on an €80/tonne carbon price