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 4.70
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -6.33 -0.441 2.79
Fertility Sub Index 1.33
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) -0.56 1.117 -0.63
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index -1.24
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 3.11 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 6.48

* Based on an €80/tonne carbon price