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 4.78
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -1.47 -0.375 0.55
Prot (kg) -5.80 -0.441 2.56
Fertility Sub Index 3.29
Calving Interval (days) -2.52 -1.459 3.68
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 2.33
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 15.41

* Based on an €80/tonne carbon price