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 4.00
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -4.69 -0.375 1.76
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 1.38
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 1.29 1.117 1.44
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 1.47
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 9.64

* Based on an €80/tonne carbon price