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 8.20
Milk (kg) -215.00 -0.014 3.01
Fat (kg) -5.13 -0.375 1.92
Prot (kg) -7.41 -0.441 3.27
Fertility Sub Index -4.62
Calving Interval (days) 2.76 -1.459 -4.03
Survival (%) -0.53 1.117 -0.59
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.00
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -0.25 -0.432 0.11
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price