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 3.86
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -5.04 -0.375 1.89
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index -10.86
Calving Interval (days) 4.97 -1.459 -7.25
Survival (%) -3.23 1.117 -3.61
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 1.00
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index -6.90

* Based on an €80/tonne carbon price