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 1.49
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -1.04 -0.375 0.39
Prot (kg) -1.25 -0.441 0.55
Fertility Sub Index 4.26
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 1.25 1.117 1.40
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.27
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 14.61

* Based on an €80/tonne carbon price