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 7.80
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -6.83 -0.375 2.56
Prot (kg) -10.80 -0.441 4.77
Fertility Sub Index 9.21
Calving Interval (days) -5.31 -1.459 7.75
Survival (%) 1.31 1.117 1.46
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index -0.01
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.69 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 20.56

* Based on an €80/tonne carbon price