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 4.92
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -3.53 -0.375 1.32
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 1.42
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.12
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 7.52

* Based on an €80/tonne carbon price