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 7.00
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -11.96 -0.375 4.48
Prot (kg) -5.58 -0.441 2.46
Fertility Sub Index -1.08
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) -0.90 1.117 -1.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 6.96

* Based on an €80/tonne carbon price