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 7.99
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -9.27 -0.375 3.47
Prot (kg) -7.38 -0.441 3.26
Fertility Sub Index 4.57
Calving Interval (days) -2.69 -1.459 3.92
Survival (%) 0.58 1.117 0.65
Calving Sub Index -1.19
Gestation Length (days) 1.29 -0.919 -1.19
Beef Sub Index -0.83
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 15.38

* Based on an €80/tonne carbon price