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 2.92
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -3.93 -0.375 1.47
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index -3.59
Calving Interval (days) 1.46 -1.459 -2.13
Survival (%) -1.31 1.117 -1.46
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index -2.69
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 4.77 -0.432 -2.06
Maintenance Sub Index Maint. Sub Index -0.49
Live WT (kg) 1.60 -0.307 -0.49
Total Carbon Sub Index -2.58

* Based on an €80/tonne carbon price