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 1.61
Milk (kg) -138.00 -0.014 1.93
Fat (kg) 3.44 -0.375 -1.29
Prot (kg) -2.20 -0.441 0.97
Fertility Sub Index 3.07
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 0.66 1.117 0.74
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.50
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 5.63

* Based on an €80/tonne carbon price