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 6.47
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -5.52 -0.375 2.07
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index 4.98
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 0.83 1.117 0.93
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index 1.00
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 14.46

* Based on an €80/tonne carbon price