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 3.54
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -3.46 -0.375 1.30
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index 0.98
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -0.47 1.117 -0.53
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index 1.21
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 9.62

* Based on an €80/tonne carbon price