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 4.35
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -3.18 -0.375 1.19
Prot (kg) -4.82 -0.441 2.13
Fertility Sub Index -9.02
Calving Interval (days) 4.94 -1.459 -7.21
Survival (%) -1.62 1.117 -1.81
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -0.29
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index -3.06

* Based on an €80/tonne carbon price