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 1.11
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -1.25 -0.375 0.47
Prot (kg) -0.91 -0.441 0.40
Fertility Sub Index 3.33
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 0.98 1.117 1.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.67
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 12.12

* Based on an €80/tonne carbon price