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 4.67
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -6.71 -0.375 2.51
Prot (kg) -2.25 -0.441 0.99
Fertility Sub Index 6.49
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 2.58 1.117 2.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.14
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 18.61

* Based on an €80/tonne carbon price