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 9.75
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -12.20 -0.375 4.57
Prot (kg) -6.78 -0.441 2.99
Fertility Sub Index 4.58
Calving Interval (days) -2.39 -1.459 3.49
Survival (%) 0.98 1.117 1.09
Calving Sub Index -1.60
Gestation Length (days) 1.74 -0.919 -1.60
Beef Sub Index -2.10
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 12.03

* Based on an €80/tonne carbon price