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 2.71
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) -3.75 -0.375 1.40
Prot (kg) -3.57 -0.441 1.58
Fertility Sub Index 0.32
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.92
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 5.57

* Based on an €80/tonne carbon price