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 6.23
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -7.29 -0.375 2.73
Prot (kg) -4.37 -0.441 1.93
Fertility Sub Index 4.84
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 1.75 1.117 1.96
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.61
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 20.08

* Based on an €80/tonne carbon price