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 4.44
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -8.18 -0.375 3.06
Prot (kg) -2.86 -0.441 1.26
Fertility Sub Index 8.27
Calving Interval (days) -4.89 -1.459 7.13
Survival (%) 1.02 1.117 1.14
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.03
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.49 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 16.71

* Based on an €80/tonne carbon price