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 21.05
Milk (kg) -433.00 -0.014 6.06
Fat (kg) -18.98 -0.375 7.11
Prot (kg) -17.84 -0.441 7.87
Fertility Sub Index 1.14
Calving Interval (days) -0.42 -1.459 0.61
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index -1.70
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 3.81 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index -1.01
Live WT (kg) 3.30 -0.307 -1.01
Total Carbon Sub Index 19.26

* Based on an €80/tonne carbon price