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 6.65
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -3.54 -0.375 1.33
Prot (kg) -7.15 -0.441 3.16
Fertility Sub Index 14.79
Calving Interval (days) -7.65 -1.459 11.16
Survival (%) 3.25 1.117 3.63
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index -1.39
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 22.70

* Based on an €80/tonne carbon price