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 7.53
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -9.53 -0.375 3.57
Prot (kg) -5.20 -0.441 2.30
Fertility Sub Index 4.86
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 0.64 1.117 0.72
Calving Sub Index -1.72
Gestation Length (days) 1.87 -0.919 -1.72
Beef Sub Index -2.53
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index 7.22

* Based on an €80/tonne carbon price