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 1.92
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -1.62 -0.375 0.61
Prot (kg) -1.70 -0.441 0.75
Fertility Sub Index 1.10
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.14
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 4.56

* Based on an €80/tonne carbon price