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 4.66
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -7.33 -0.375 2.75
Prot (kg) -3.38 -0.441 1.49
Fertility Sub Index -0.73
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) -1.24 1.117 -1.39
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index -5.33
Carcass Weight (kg) 5.80 -0.528 -3.06
Age of Slaughter (days) 5.27 -0.432 -2.28
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index -3.05

* Based on an €80/tonne carbon price