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 2.90
Milk (kg) -171.00 -0.014 2.39
Fat (kg) 5.67 -0.375 -2.12
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index 4.21
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 2.72 1.117 3.04
Calving Sub Index -1.64
Gestation Length (days) 1.78 -0.919 -1.64
Beef Sub Index 0.28
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 8.94

* Based on an €80/tonne carbon price