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 -14.57
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) 21.03 -0.375 -7.88
Prot (kg) 14.37 -0.441 -6.34
Fertility Sub Index 5.93
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.38 1.117 1.54
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index 0.14
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.96 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index -4.54

* Based on an €80/tonne carbon price