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 6.20
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -7.24 -0.375 2.71
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 3.29
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) 0.49 1.117 0.55
Calving Sub Index -2.19
Gestation Length (days) 2.38 -0.919 -2.19
Beef Sub Index -2.37
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index -1.87
Live WT (kg) 6.10 -0.307 -1.87
Total Carbon Sub Index 3.05

* Based on an €80/tonne carbon price