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 -0.06
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 0.50 -0.375 -0.19
Prot (kg) -0.33 -0.441 0.15
Fertility Sub Index -7.14
Calving Interval (days) 3.98 -1.459 -5.81
Survival (%) -1.19 1.117 -1.33
Calving Sub Index 1.70
Gestation Length (days) -1.85 -0.919 1.70
Beef Sub Index 0.32
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index -3.18

* Based on an €80/tonne carbon price