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 4.72
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -2.48 -0.375 0.93
Prot (kg) -5.35 -0.441 2.36
Fertility Sub Index -0.02
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.19
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 4.43

* Based on an €80/tonne carbon price