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 3.59
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -2.72 -0.375 1.02
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index -0.37
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) -0.28 1.117 -0.31
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.28
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 3.93

* Based on an €80/tonne carbon price