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 19.74
Milk (kg) -547.00 -0.014 7.66
Fat (kg) -14.79 -0.375 5.54
Prot (kg) -14.83 -0.441 6.55
Fertility Sub Index 2.76
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) -2.90 1.117 -3.24
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 2.85
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 29.45

* Based on an €80/tonne carbon price