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 5.31
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -5.05 -0.375 1.89
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 8.15
Calving Interval (days) -5.09 -1.459 7.43
Survival (%) 0.65 1.117 0.73
Calving Sub Index 1.92
Gestation Length (days) -2.09 -0.919 1.92
Beef Sub Index -3.68
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) 2.67 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index 10.26

* Based on an €80/tonne carbon price