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 3.22
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -6.41 -0.375 2.40
Prot (kg) -0.81 -0.441 0.36
Fertility Sub Index 4.97
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 1.25 1.117 1.40
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index -1.88
Carcass Weight (kg) 4.30 -0.528 -2.27
Age of Slaughter (days) -0.91 -0.432 0.39
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 5.09

* Based on an €80/tonne carbon price