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 3.83
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -1.51 -0.375 0.57
Prot (kg) -4.01 -0.441 1.77
Fertility Sub Index 6.81
Calving Interval (days) -4.31 -1.459 6.29
Survival (%) 0.47 1.117 0.53
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 1.37
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 15.57

* Based on an €80/tonne carbon price