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 8.42
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -12.20 -0.375 4.57
Prot (kg) -4.16 -0.441 1.84
Fertility Sub Index -4.15
Calving Interval (days) 2.78 -1.459 -4.06
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.23
Carcass Weight (kg) 4.20 -0.528 -2.22
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 2.21

* Based on an €80/tonne carbon price