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 3.99
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -2.34 -0.375 0.88
Prot (kg) -3.57 -0.441 1.58
Fertility Sub Index 0.11
Calving Interval (days) -0.08 -1.459 0.12
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.71
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 4.45

* Based on an €80/tonne carbon price