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 8.51
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -4.34 -0.375 1.63
Prot (kg) -9.61 -0.441 4.24
Fertility Sub Index 7.92
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 2.09 1.117 2.33
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 1.05
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 4.40 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 18.38

* Based on an €80/tonne carbon price