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 4.24
Milk (kg) 31.00 -0.014 -0.43
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -5.83 -0.441 2.57
Fertility Sub Index 3.51
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 0.40 1.117 0.45
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index 0.27
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 9.52

* Based on an €80/tonne carbon price