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 0.51
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -0.47 -0.375 0.18
Prot (kg) -0.53 -0.441 0.23
Fertility Sub Index 6.25
Calving Interval (days) -3.61 -1.459 5.27
Survival (%) 0.88 1.117 0.98
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index -0.18
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 9.57

* Based on an €80/tonne carbon price