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 2.88
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -0.41 -0.375 0.15
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index 3.63
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 1.24 1.117 1.39
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.00
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.86 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 16.99

* Based on an €80/tonne carbon price