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 8.13
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -7.18 -0.375 2.69
Prot (kg) -9.21 -0.441 4.06
Fertility Sub Index 2.85
Calving Interval (days) -1.47 -1.459 2.14
Survival (%) 0.63 1.117 0.70
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.44
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 4.94 -0.432 -2.13
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 11.23

* Based on an €80/tonne carbon price