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 3.66
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.86 -0.375 1.45
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index 7.26
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 1.13 1.117 1.26
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -0.56
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 13.78

* Based on an €80/tonne carbon price