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 1.40
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) -1.90 -0.375 0.71
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 0.67
Calving Interval (days) -0.42 -1.459 0.61
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.06
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 2.98

* Based on an €80/tonne carbon price