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 4.89
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -2.80 -0.375 1.05
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index -0.15
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 0.44
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index -1.87
Live WT (kg) 6.10 -0.307 -1.87
Total Carbon Sub Index 3.48

* Based on an €80/tonne carbon price