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 7.79
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -8.17 -0.375 3.06
Prot (kg) -6.49 -0.441 2.86
Fertility Sub Index 4.22
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) 1.82 1.117 2.03
Calving Sub Index -0.62
Gestation Length (days) 0.67 -0.919 -0.62
Beef Sub Index -2.22
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 1.35 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 10.07

* Based on an €80/tonne carbon price