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 2.47
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -2.03 -0.375 0.76
Prot (kg) -2.19 -0.441 0.97
Fertility Sub Index 2.53
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 0.53 1.117 0.59
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.69
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.85 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 15.07

* Based on an €80/tonne carbon price