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 7.87
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -9.12 -0.441 4.03
Fertility Sub Index 3.10
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 0.20 1.117 0.22
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index -0.66
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index -2.36
Live WT (kg) 7.70 -0.307 -2.36
Total Carbon Sub Index 8.41

* Based on an €80/tonne carbon price