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 2.45
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -1.74 -0.375 0.65
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index 0.26
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.37
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 4.81

* Based on an €80/tonne carbon price