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 5.06
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -5.86 -0.375 2.19
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index 0.07
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -1.74
Gestation Length (days) 1.89 -0.919 -1.74
Beef Sub Index 0.77
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 3.22 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 7.40

* Based on an €80/tonne carbon price