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 4.85
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -3.32 -0.375 1.24
Prot (kg) -5.98 -0.441 2.64
Fertility Sub Index 7.40
Calving Interval (days) -4.24 -1.459 6.19
Survival (%) 1.09 1.117 1.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 13.21

* Based on an €80/tonne carbon price