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 4.17
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -3.62 -0.375 1.36
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 5.66
Calving Interval (days) -2.69 -1.459 3.92
Survival (%) 1.55 1.117 1.73
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.21
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.14 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 19.28

* Based on an €80/tonne carbon price