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 5.13
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -6.79 -0.441 3.00
Fertility Sub Index -1.47
Calving Interval (days) 0.76 -1.459 -1.11
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index -0.22
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 4.17 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index 3.47

* Based on an €80/tonne carbon price