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 15.66
Milk (kg) -324.00 -0.014 4.54
Fat (kg) -13.84 -0.375 5.18
Prot (kg) -13.45 -0.441 5.94
Fertility Sub Index 9.67
Calving Interval (days) -6.15 -1.459 8.97
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 1.27
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 31.55

* Based on an €80/tonne carbon price