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 9.51
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -8.25 -0.375 3.09
Prot (kg) -8.94 -0.441 3.95
Fertility Sub Index 1.60
Calving Interval (days) -1.79 -1.459 2.61
Survival (%) -0.91 1.117 -1.02
Calving Sub Index -0.60
Gestation Length (days) 0.65 -0.919 -0.60
Beef Sub Index 2.29
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -3.22 -0.432 1.39
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 13.41

* Based on an €80/tonne carbon price