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) -73.00 -0.014 1.02
Fat (kg) -2.33 -0.375 0.87
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 0.33
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) -0.23 1.117 -0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 5.36

* Based on an €80/tonne carbon price