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 1.83
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -0.59 -0.375 0.22
Prot (kg) -0.05 -0.441 0.02
Fertility Sub Index 6.64
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 2.25 1.117 2.51
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.01
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.10 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 17.66

* Based on an €80/tonne carbon price