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 8.58
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -8.49 -0.375 3.18
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index 2.88
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.89 1.117 0.99
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index 0.19
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) -2.88 -0.432 1.24
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 14.33

* Based on an €80/tonne carbon price