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 4.09
Milk (kg) -177.00 -0.014 2.48
Fat (kg) 0.15 -0.375 -0.06
Prot (kg) -3.79 -0.441 1.67
Fertility Sub Index 3.90
Calving Interval (days) -3.93 -1.459 5.73
Survival (%) -1.64 1.117 -1.83
Calving Sub Index -3.37
Gestation Length (days) 3.67 -0.919 -3.37
Beef Sub Index 3.41
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -4.60 -0.432 1.99
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 11.06

* Based on an €80/tonne carbon price