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 9.72
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -11.76 -0.375 4.40
Prot (kg) -6.42 -0.441 2.83
Fertility Sub Index 1.68
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.37
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.19 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 12.59

* Based on an €80/tonne carbon price