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 4.06
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -3.54 -0.375 1.33
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index 2.07
Calving Interval (days) -0.63 -1.459 0.92
Survival (%) 1.03 1.117 1.15
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.27
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.80 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 15.79

* Based on an €80/tonne carbon price